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iPhone battery woes persist with Apple's first iOS 5.1 beta - Page 2

post #41 of 117
My wife took the new 4S, I got her 3GS. I need to keep her wifi completely OFF or else her phone will chew through the battery. Not VERY drastically, but enough that it's annoying. If in a half day under 3G she'll go from 100% down to 70%, with wifi it would be 40-50%. That's inside our apartment with a very strong new Apple wireless router that shouldn't have any "searching for signal" type of problem. I've got all the "extras" turned off, so nothing obvious is draining it...
post #42 of 117
Quote:
Originally Posted by kozchris View Post

No problems with battery or AirPlay here. Love my 4S. Hope they can fix the problems that others are having.

This is beginning to sound like the Antennagate meme. A "problem" that is technically true, but not a practical issue for the vast majority of users a vast majority of the time. I never had an antenna issue with my 4 and I have no battery issues with my 4S, and neither does anyone I know personally. I suspect the problem has to do with a rather complex set of conditions and settings that all have to be in play for there to be any noticeable effect. OS updates will mitigate some of them, but some kid in mom's basement will continue to find ways around the fix and blog about it, keeping the story alive even though it's essentially meaningless.

Remember, those with issues complain in spectacularly higher proportions than those without issues praise. This gives the impression in the blogosphere that there is a common problem, when it actuality it is very uncommon.
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post #43 of 117
Quote:
Originally Posted by wayner8088 View Post



Any other temporary suggestions?




post #44 of 117
Quote:
Originally Posted by NasserAE View Post

The betas usually have their own set of problems. a newer beta does not solve bugs in the previous release version. This beta still have problems that existed in the 5.0 beta.

I don't know why most articles aren't mentioning the Qualcomm baseband chip. It's new (still only used in the iPhone 4S), world mode chips are still considerably less efficient than dedicated basebands, and from beta to beta we're seeing fairly large jumps in baseband version numbers. I have to assume this is where the issue lies and depending on your network it's going to take a while to iron out all the bugs for virtually everyone.

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"There is no rule that says the best phones must have the largest screen." ~RoundaboutNow

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post #45 of 117
Quote:
Originally Posted by ConradJoe View Post


Which Android-based phone is that?

PS: Your signature size is getting very annoying. I think the rules state a 4 line maximum.

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"There is no rule that says the best phones must have the largest screen." ~RoundaboutNow

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"There is no rule that says the best phones must have the largest screen." ~RoundaboutNow

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post #46 of 117
Quote:
Originally Posted by kozchris View Post

No problems with battery or AirPlay here. Love my 4S. Hope they can fix the problems that others are having.

I have had one weird battery issue where I lost 40% overnight on "standby". This was after an update to the most recent release and, I think, it was downloading all the apps again since I had done a restore.
post #47 of 117
Quote:
Originally Posted by kozchris View Post

No problems with battery or AirPlay here. Love my 4S. Hope they can fix the problems that others are having.

Same here. I wonder what those with issue have or are doing differently from us?
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From Apple ][ - to new Mac Pro I've used them all.
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post #48 of 117
I have the luxury of comparing identically configured IP4 vs IP4S. Both 32GB models, exactly the same apps loaded, same settings, same location, same Airport Extreme (actually ran the test at sisters home over Thanksgiving with same results, so actually two different Airport Extremes). I have diagnostic & usage reporting, Location based iAds, and time zone setting disabled on both. For the test, I also killed all apps other than DataMan and phone. iCloud backup was activated on both devices. WIth both devices fully charged, setting side by side overnight (roughly 9 hours), the IP4S discharged approx 25% MORE than the IP4 (IP4 was at 94%, IP4S down to 70%). DataMan reports the WiFi traffic as identical (within a couple of kilobytes) for the test period, with virtually no 3G activity over the test period (about 20KB on each).

The only other difference was that I had the raise to active feature on Siri active on the IP4S, so I need to rerun the test with that deactivated to see if the results are dramatically different.

I have also noticed that the IP4S discharge rate is all over the place in real use. Sometimes, it goes for several hours with only a few % of discharge and other times, it can drop 10-15% in a matter of an hour or so. In typical daily usage, my IP4S will not make it through a complete day on a single charge unless the usage is minimal, while my spouse, who texts, takes lots of pics (work) and emails those pics in medium size (again work), runs a variety of apps and talks, virtually always makes it thru a typical 12hour day with no problem.

There is definitely something amiss here.

BTW, both iPhones are running 5.0.1 (9A405). As a matter of habit, I did a hard reboot on both after the upgrade to 5.0.1.

David
post #49 of 117
Quote:
Originally Posted by hittrj01 View Post

No, the iPhone has noise isolation, where the second mic picks up any unwanted noise and filters out any frequencies that aren't desired. The bug he is referring to deals with the feedback from that noise isolation through the headphone jack, and by extension, into his noise-cancelling headphones. The person on the other end of the phone hears nothing but his voice, but he hears all the unwanted noise that is being fed back. I don't know if it is a software issue or a hardware issue, though. It could be a faulty analog-to-digital converter, it could be a weak capacitor, or it could just be a bug in the OS that needs patched. That's hard to tell. If I were the OP, I would certainly swap out my phone to try and eliminate any hardware problems.

That doesn't sound right to me. Noise isolation doesn't use a 2nd mic. Noise cancellation uses the 2nd mic to pick up outside sounds that are also picked up by the primary microphone. They're mixed together out of phase. This cancels anything in common, which in a perfect world, doesn't include your own voice speaking into the phone. It has nothing to do with filtering out "unwanted frequencies".

This 2-mic "mixing out of phase" technique was actually first used by the Grateful Dead in live performance to get higher levels without feedback.
post #50 of 117
Quote:
Originally Posted by SolipsismX View Post

PS: Your signature size is getting very annoying. I think the rules state a 4 line maximum.

I agree. Aside from the pointless double spacing, the red dot at the end seems to exist just to make it longer

Originally Posted by Marvin

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Originally Posted by Marvin

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post #51 of 117
Try a hard reboot, and turn off the time zone setting location service - that seemed to solve my occasional problem.
post #52 of 117
My battery is going down by 6% every hour while just sitting on my desk. According to apples battery specs it is only suppose to go down .5% every hour in standby. I assumed everybody was having the issue but, after reading the comments I seem to be in the minority. I guess I will shut off notifications, push email and location services to see if a big difference is made.
post #53 of 117
"Nothing that we tested was significantly different from the iPhone 4, and power draw was right where we expected it to be."

When moving to a low 3G signal area out of the city obviously battery will be slurped with no 2G setting available.
Seems to me that they chose not to discuss the obvious which is that you now need decent 3G to get decent battery life.
post #54 of 117
Quote:
Originally Posted by ghostface147 View Post

On a sidenote, I do think I have crappy battery life. But I also know that iOS 5 is much complex than ever and as more and more features are enabled, it will make people use it differently. I also believe that some rogue apps may be causing issues as well. While there is an approval process for apps, sometimes things slip by.

This battery fiasco will only get worse in the future as Apple is obsessed with thin devices and that leaves less space for battery. Naturally they aren't going to make brick sized phones, but battery size is important here. For me, and I will always state this, iOS 5.0 beta 5 was the most superior version of iOS for me. Battery life was far superior than it is now. Who knows what made it work.

I agree. I don't recall any battery life issues running iOS 5 betas for many weeks on iPhone 4, iPhone 3GS and iPad 2. I just didn't see issues until iOS 5 was released which causes me to believe this is related to a feature that wasn't active in the iOS 5 beta releases which implies either baseband issues or something related to Siri or (not likely) late changes to iCloud.

I have used essentially the same settings for years (excluding additional features introduced by new versions). I recently reset my phone and found many settings changed which is to be expected but I wonder how often this might be an issue. I know many users on this and other forums aren't typical users but I wonder how many of us technophiles are reporting issues.

Wi-Fi = On
Notifications = Weather, Phone, Messages, Reminders, Calendar, Game Center, Stock, Mail, (Facebook) Messenger, WhatsApp, Facebook, Waze
Location Services = Camera, Siri, Waze, Find My iPhone, Status Bar Icon
Sounds = 50% with Vibrate, Keyboard Clicks are off
Brightness = 50%, Auto-Brightness is on
Battery Percentage = on
Diagnostics & Usage = Automatically Send
Cellular Data = off (was on)
Bluetooth = off (was on)
Auto-Lock = 5 min
iCloud = everything on (Mail, Contacts, Calendars, Reminders, Bookmarks, Notes, Photo Stream, Documents & Data, Find My iPhone)
Mail, Contacts, Calendars = fetch (15 minutes) (2 of 4 accounts were set to push)
Automatic Downloads = everything on (Music, Apps, Books)
post #55 of 117
Quote:
Originally Posted by dtidmore View Post

I have the luxury of comparing identically configured IP4 vs IP4S. Both 32GB models, exactly the same apps loaded, same settings, same location, same Airport Extreme (actually ran the test at sisters home over Thanksgiving with same results, so actually two different Airport Extremes). I have diagnostic & usage reporting, Location based iAds, and time zone setting disabled on both. For the test, I also killed all apps other than DataMan and phone. iCloud backup was activated on both devices. WIth both devices fully charged, setting side by side overnight (roughly 9 hours), the IP4S discharged approx 25% MORE than the IP4 (IP4 was at 94%, IP4S down to 70%). DataMan reports the WiFi traffic as identical (within a couple of kilobytes) for the test period, with virtually no 3G activity over the test period (about 20KB on each).

The only other difference was that I had the raise to active feature on Siri active on the IP4S, so I need to rerun the test with that deactivated to see if the results are dramatically different.

I have also noticed that the IP4S discharge rate is all over the place in real use. Sometimes, it goes for several hours with only a few % of discharge and other times, it can drop 10-15% in a matter of an hour or so. In typical daily usage, my IP4S will not make it through a complete day on a single charge unless the usage is minimal, while my spouse, who texts, takes lots of pics (work) and emails those pics in medium size (again work), runs a variety of apps and talks, virtually always makes it thru a typical 12hour day with no problem.

There is definitely something amiss here.

BTW, both iPhones are running 5.0.1 (9A405). As a matter of habit, I did a hard reboot on both after the upgrade to 5.0.1.

David

The standby battery use seems normal. Remember it is rated 200 hours for 4S and 300 hours for 4.
post #56 of 117
My battery life has been horrible since day 1. I picked up my phone on release morning on my way from FL to Pittsburgh. I was at the football game that Sunday and my phone was dead before half time. Yes I was taking pictures and using my phone a lot but my 4 would last until coming back home after games at least.

Now in the morning my phone is in the 30% range by about 10 am (waking at 6 am). My 4 would make it until almost the end of the work day. So I charge it before I go to lunch then before 6 pm it is normally back to 30% again so I charge it before leaving work.

I am a heavy user I know, I use CNBC RT off an on during the day which is a battery killer as well. But I have changed all settings to help the battery and it doesn't help much. I am not upset as I have an iPad charger at work so my phone charges quickly. I also have an iPad car charger so I can charge my phone quickly even on short trips in the car. I just don't think I should be needing to charge my phone at least twice a day sometimes three times. If I don't charge at night when I wake up I will have lost about 20% in 6 hours on standby.

On a side note does anyone else have issues with Safari not loading pages? Even if I go to the multi-task bar to close it out and bring Safari back up it still will not load. I have to turn my phone off then back on to get Safari to work again.
post #57 of 117
Quote:
Originally Posted by SolipsismX View Post

Which Android-based phone is that?

PS: Your signature size is getting very annoying. I think the rules state a 4 line maximum.

The Galaxy Nexus is no where on that list.
post #58 of 117
Personally I believe it's a hardware problem that is of course limited to a very small number of users.

It can't be only software, because all 3 of my 4S have no battery issues, in fact way better battery life than the 4's they replaced. The same goes for over 60 people I know personally with the 4S, all of whom I've contacted re: this issue.

So basically, Apple is just delaying the inevitable until launches have rolled out.
post #59 of 117
Quote:
Originally Posted by rugby_kid View Post

The Galaxy Nexus is no where on that list.

Though my sarcasm could be worded more clearly you've completely missed the point. AnandTech hasn't received any kit to test because it hasn't been released in the US. There is also no history of Samsung+Android devices besting Apple in battery life. That makes the device a impossible option for a temporary suggestion over the iPhone to get better battery life. The one area where one can best is the iPhone is with 3G talk time but that is because Apple is using the world-mode chip where this simply isn't as good as dedicated CDMA chips but if you need that much talk time and have so little concern for internet access I wonder if a smartphone makes any sense at all.

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post #60 of 117
Quote:
Originally Posted by pmz View Post

Personally I believe it's a hardware problem that is of course limited to a very small number of users.

I think it's HW variations that can be resolved with firmware updates.

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"There is no rule that says the best phones must have the largest screen." ~RoundaboutNow

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post #61 of 117
Quote:
Originally Posted by brandon28139 View Post

My battery is going down by 6% every hour while just sitting on my desk. According to apples battery specs it is only suppose to go down .5% every hour in standby. I assumed everybody was having the issue but, after reading the comments I seem to be in the minority. I guess I will shut off notifications, push email and location services to see if a big difference is made.

Do you have any email accounts configured? ICloud, Exchange any other IMAP push? If you do then your phone is not just sitting in standby mode.

I have been using an old 3GS as a second handset this week without any data services or apps running and get 3 days on a single charge. Between charges I clocked up 5.5hrs of calls.

With my 4 I get a day of use with 3 exchange accounts and iCloud.
post #62 of 117
Quote:
Originally Posted by SolipsismX View Post

Though my sarcasm could be worded more clearly you've completely missed the point. AnandTech hasn't received any kit to test because it hasn't been released in the US. There is also no history of Samsung+Android devices besting Apple in battery life. That makes the device a impossible option for a temporary suggestion over the iPhone to get better battery life. The one area where one can best is the iPhone is with 3G talk time but that is because Apple is using the world-mode chip where this simply isn't as good as dedicated CDMA chips but if you need that much talk time and have so little concern for internet access I wonder if a smartphone makes any sense at all.

I guess. I'm not sure how the Super AMOLED HD Screens will affect anything. One thing I hated about my Android phones were that they drained batteries even while it was in standby considerably. Though I think it was because it was still multitasking in it's sleep...
post #63 of 117
Quote:
Originally Posted by irnchriz View Post

Do you have any email accounts configured? ICloud, Exchange any other IMAP push? If you do then your phone is not just sitting in standby mode.

I have been using an old 3GS as a second handset this week without any data services or apps running and get 3 days on a single charge. Between charges I clocked up 5.5hrs of calls.

With my 4 I get a day of use with 3 exchange accounts and iCloud.

I have my school's exchange account on my phone, as well as my iCloud, Yahoo and Gmail. Never knew that. Might turn that stuff off. But I love having my email updated constantly...
post #64 of 117
Quote:
Originally Posted by rugby_kid View Post

I guess. I'm not sure how the Super AMOLED HD Screens will affect anything. One thing I hated about my Android phones were that they drained batteries even while it was in standby considerably. Though I think it was because it was still multitasking in it's sleep...

I think the display won't be an issue due to it being PenTile. The battery size also seems to be inline with other Samsung?Android devices.

However, the LTE version supposedly has a 100mAh larger battery which I don't think will be enough to balance out the drain from LTE, but we'll see. Maybe LTE technology has finally gotten to a point to being close to '3G' chips in power efficiency (although I doubt it). When they do, I am sure we'll see that reflected in an Android-based device before we see it in an iPhone.

Google did multitasking in a way that sounds great for the future of notebooks (and perhaps tablets), but I think Apple did it the best for smartphones. maybe in a couple years less controlled multitasking will be feasible but today these devices they simply don't last long enough per charge cycle.

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"There is no rule that says the best phones must have the largest screen." ~RoundaboutNow

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post #65 of 117
Quote:
Originally Posted by SolipsismX View Post

However, the LTE version supposedly has a 100mAh larger battery which I don't think will be enough to balance out the drain from LTE, but we'll see. Maybe LTE technology has finally gotten to a point to being close to '3G' chips in power efficiency (although I doubt it).

Does it have one of those next generation Qualcomm chips (the ones Apple will supposedly use for its LTE implementation), or is it the standard LTE fare we've seen already?

Originally Posted by Marvin

The only thing more insecure than Android’s OS is its userbase.
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post #66 of 117
Quote:
Originally Posted by Tallest Skil View Post

Does it have one of those next generation Qualcomm chips (the ones Apple will supposedly use for its LTE implementation), or is it the standard LTE fare we've seen already?

I think we have to wait for AnandTech to hyper-analyze it or for iFixit to break it down.

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"There is no rule that says the best phones must have the largest screen." ~RoundaboutNow

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post #67 of 117
Quote:
Originally Posted by SolipsismX View Post

I think the display won't be an issue due to it being PenTile. The battery size also seems to be inline with other Samsung?Android devices.

However, the LTE version supposedly has a 100mAh larger battery which I don't think will be enough to balance out the drain from LTE, but we'll see. Maybe LTE technology has finally gotten to a point to being close to '3G' chips in power efficiency (although I doubt it). When they do, I am sure we'll see that reflected in an Android-based device before we see it in an iPhone.

Google did multitasking in a way that sounds great for the future of notebooks (and perhaps tablets), but I think Apple did it the best for smartphones. maybe in a couple years less controlled multitasking will be feasible but today these devices they simply don't last long enough per charge cycle.

I think I saw something on Phandroid.com about more efficent Qualcomm/LTE chips. I could be wrong though. But I don't really care about LTE unless we get Unlimlited data. Which I doubt ANY carrier (including Sprint) will be able to give us unlimted LTE.
post #68 of 117
Quote:
Originally Posted by SolipsismX View Post

There is also no history of Samsung+Android devices besting Apple in battery life. The one area where one can best is the iPhone is with 3G talk time .

. . . and WiFi Hotspot. Doesn't really matter of course. The concerns some are voicing isn't that a properly working iPhone doesn't have pretty good battery time, and generally at the top of the pile. Apparently some percentage of owners aren't hitting those Anandtech battery claim times now.
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post #69 of 117
Quote:
Originally Posted by realitycheck69 View Post

lol you really think apple will give you options?

Apple is very good about giving people options, as long as both options were provided by Apple in the first place.
post #70 of 117
Quote:
Originally Posted by Pendergast View Post

Since the majority are experiencing battery life on par or slightly below the iPhone 4 running iOS 4 (to be expected with newer location features) with only a minority grossly affected, some other variable must be at work.

Sounds right. That minority is also why it is hard to pin down the cause of the issue. Especially when they don't go in and have the phone checked (something many on the apple.com hosted board don't do because they feel it isn't worth it until Apple has a fix).

A couple of things I have noticed from friends that did have issues. All of the folks that had trouble had restored from a backup. When they did a clean restore and install and set up as a new phone, no to much fewer problems. Also one person that still had a slight issue was using an app that had not been updated since iOS 3.0. He dumped that app and issue gone.

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post #71 of 117
Quote:
Originally Posted by ChrisKnight View Post

Does it fix the headphone echo caused by Apple's wacky implementation of noise cancellation? Sure, the person I am talking to hears me just fine, but I don't want my noise isolating headset to pick up every little noise around me and transmit it into my headphones. That kinda defeats the purpose of 'noise isolating'. Just give us the option to turn this 'feature' off!!!

Quote:
Originally Posted by realitycheck69 View Post

lol you really think apple will give you options?

His post was better.
post #72 of 117
Everyone seems to be reacting to specific development issues and details, which is typical.

But, if we just took a step back and looked as what is going on with the evolution of smartphones and tablets. It is no different than with laptops. Replacing single core with dual core ... adding higher performance GPU, higher resolution displays, bigger displays, more demanding services, such as 4G, notification, location, bluetooth add-ons, Voice communications and control. All these desirable features also are power demanding.

So what do we really expect. Miracles. Time to relax, let the engineering and systems folks do their magic. And in the mean time let us just shut down the power hog services we don't always need, but can turn them back on when we do. Knowing Apple when the function is demanded, then the devices will auto turn ON with software control. Takes time to develop all this.

Let's be patient. Getting rid of Carrier IQ rootkits that work in background w/o our awareness is also frustrating. Website development, monitization, and all the links that have to load and deliver is mind boggling. But, all we want to do is access the internet, share info with our friends and read the latest news, play games, and get absorbed in a video. We aren't very demaning are we? We want simple, easy, with lots of variety. WOW
post #73 of 117
Quote:
Originally Posted by SolipsismX View Post

Which Android-based phone is that?


It is the Samsung Galaxy Nexus - the new one running ICS.
post #74 of 117
Quote:
Originally Posted by Tallest Skil View Post

I agree. Aside from the pointless double spacing, the red dot at the end seems to exist just to make it longer

It looks better when it is centered. The negative space is for aesthetics. It's not like column inches mean anything in this medium.
post #75 of 117
Quote:
Originally Posted by jameskatt2 View Post

The few users who are complaining about battery life can simply go to an Apple store and get a replacement for the iPhone under warranty.

Yep and then put the same nasty junked up backup on their phones and have the same issues.

That folks can turn things on and off and see major changes to their battery shows that it is in fact software.

That folks can clean set up their phones and see major changes to their battery shows that it is in fact software.

perhaps 1% of the folks with issues have actual bad hardware.

but you are correct that going to the apple store to have the phone tested is good. Because it gives them more data to work with.

Quote:
Originally Posted by Mazda 3s View Post

And yes, I do have Bluetooth enabled. I have Bluetooth in my car and I like the ability to just leave my phone in my pocket and go instead of having to go through multiple to steps to enable/disable Bluetooth when I'm entering/exiting the car so I just leave it enabled all the time.

And thus your phone is constantly seeking that bluetooth which means that it is never inactive. and that could be killing your battery

Quote:
Originally Posted by Robin Huber View Post

This is beginning to sound like the Antennagate meme.

The term batterygate popped up weeks ago

Quote:
Originally Posted by Steven N. View Post

I have had one weird battery issue where I lost 40% overnight on "standby". This was after an update to the most recent release and, I think, it was downloading all the apps again since I had done a restore.

If it was downloading apps it wasn't on standby. It was actively working and thus using battery.

Quote:
Originally Posted by Tobiwan View Post

My battery life has been horrible since day 1. I picked up my phone on release morning on my way from FL to Pittsburgh. I was at the football game that Sunday and my phone was dead before half time. Yes I was taking pictures and using my phone a lot but my 4 would last until coming back home after games at least.

that sounds like you bought it on Friday didn't charge it the whole trip and sometime Sunday it died while you were using it a lot. I'd say that's pretty good

Quote:
I am a heavy user I know, I use CNBC RT off an on during the day which is a battery killer as well.

so why don't you try not using the app you know will kill your phone and see what the battery life is like. You might find that the app that is looking for real time data all the time might be your problem, especially since it is still supporting 3.0 and who knows what less than ideal code could be in there affecting your battery.


Quote:
Originally Posted by rugby_kid View Post

I have my school's exchange account on my phone, as well as my iCloud, Yahoo and Gmail. Never knew that. Might turn that stuff off. But I love having my email updated constantly...

But do you really need to have your email updating every few seconds. I'm betting every 15 minutes or even every hour is fine for several of those accounts

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post #76 of 117
Quote:
Originally Posted by ConradJoe View Post

It is the Samsung Galaxy Nexus - the new one running ICS.

What store can I go to today to give one a test drive?

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"There is no rule that says the best phones must have the largest screen." ~RoundaboutNow

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post #77 of 117
Quote:
Originally Posted by ChrisKnight View Post

Apple is very good about giving people options, as long as both options were provided by Apple in the first place.

You can have any color as long as it is black........






*or white in some cases ,but that's not the original meme*
post #78 of 117
Quote:
Originally Posted by bagofwater View Post

Or, it may not be a defect at all. We all know battery life varies greatly based on usage. Once I applied the iOS 5 update, I noticed a dramatic increase in my battery life (which was already better than my 2+ year old 3GS was getting). I actually had never noticed the time zone issue the software fixed on any order of significance until the most recent Daylight Savings Time transition. That night, I did not charge my phone because it had nearly 80% battery, and when I woke up 6 hours later it had drained entirely. That was the most severe case. Other times, I would "think" my battery should be lasting longer, but had no real empirical evidence to back it up. Post-update, my battery life is much improved, and blows away what I was getting with my last phone. Moderate to heavy use in a day drops me down to maybe 40-50% before I go to bed.

Which is the problem with the "some people" reports. "Some people" experience just about any problem you can imagine, for any product that's out there. And "some people" like me experience met or exceeded expectations. Unless there is some evidence that there is a common usage factor among these people, it's not really much of a story.

Just to be clear, I think you aren't aware of the severity of this problem. This is much more
Than just "gee, it seems like I'm getting less battery life.". My phone goes from fully charged to completely dead in five hours or less with NO use. Location services are completely off, notifications are off, iCloud is off. Essentially it is a dumb phone with email and that's going next. Actually, rest to factory is next.
post #79 of 117
Quote:
Originally Posted by tzeshan View Post

The standby battery use seems normal. Remember it is rated 200 hours for 4S and 300 hours for 4.

If you run the math, the rate of standby discharge I see on my IP4S (70% remaining after 9 hours) equates to a standby capacity of 30 hours. The standby discharge rate on the IP4, under the same conditions, (94% remaining after 9 hours), gives a capacity of almost 150 hours. Neither is what apple quotes, but then again, does anyone really know under exactly what conditions apple rated the standby time?

I have owned every gen of the iPhone and this is the worst battery life so far. I am not one to complain, but clearly in my case, it does appear that something is amiss with my IP4S.

david
post #80 of 117
Quote:
Originally Posted by Vulpes View Post

Just to be clear, I think you aren't aware of the severity of this problem. This is much more
Than just "gee, it seems like I'm getting less battery life.". My phone goes from fully charged to completely dead in five hours or less with NO use. Location services are completely off, notifications are off, iCloud is off. Essentially it is a dumb phone with email and that's going next. Actually, rest to factory is next.

Wow, my 4S was on 20% when I went to bed last night, forgot to charge, and by morning it was 16%. You guys have some really bad issues on your phones there. Gotta bad batch.
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