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Users report Bluetooth connectivity, quality issues with iOS 4

post #1 of 72
Thread Starter 
Users of iOS 4 on both the iPhone 4 and iPhone 3GS say their handset has constantly dropped wireless Bluetooth connections with both headsets and in-car systems.

Numerous users contacted AppleInsider to say that they have experienced a number of problems specific to iOS 4 with Bluetooth connectivity. A number of people who upgraded their iPhone 3GS found that their phone's Bluetooth became problematic, even though it worked fine before the iOS 4 update. And others who bought a new iPhone 4 have encountered some of the same issues.

"Nearly every time I'm in my car the iPhone disconnects from the built-in Bluetooth system," one reader with an iPhone 4 wrote. "This never, ever happened with my 3G phone. I have a case number with AppleCare and they refuse to acknowledge the problem or replace the phone, even after having the problem persist after downloading a fresh copy of IOS 4, reinstalling the software and setting the phone up bare with no other apps. Could this be another antenna problem?"

In numerous threads on the official Apple Discussions forums, users have shared similar problems (1, 2, 3, 4). Those threads have only grown since iOS 4 and the iPhone 4 were released in late June.

Users have said that their Bluetooth connections will sporadically drop after the two devices are successfully paired. Others can connect, but are met with a message that says "no media found" when trying to play music. And some said they have experienced muffled voices when placing a call over Bluetooth.

Some users on the forums noted that the recent iOS 4.0.1 update did not fix the Bluetooth issues. The minor update featured a cosmetic fix that changed how the iPhone reports bars of signal strength.

The Bluetooth pairing issues are said to exist across a range of devices, including vehicles from Mercedes-Benz and BMW, car stereos from Pioneer and Alpine, and headsets from Motorola and Jawbone.

Some said they have fixed the problem by resetting the phone's settings. This can be done by launching the Settings application, choosing General, Reset, and Reset All Settings. Interestingly, the same fix was said to work for some who experienced issues with the proximity sensor on the iPhone 4. Apple has said it is working on a software fix for the proximity sensor problems with the iPhone 4, but has made no mention of the reported Bluetooth problems.
post #2 of 72
I need to test the bluetooth on my device...
post #3 of 72
No problems with my iPhone 4 and my Samsung Bluetooth headset. Sorry for those that are having problems.

That being said, I just want a fix for this flippin' proximity sensor issue.
post #4 of 72
Interestingly enough, I find that my iPhone 4 (iOS 4.0) works *better* on my Pioneer DEH-9800BT for bluetooth calls and MUCH better for BT Audio. My 3G would stop and stutter around using BT Audio so it was almost useless, while the iPhone 4 will play for over an hour (my normal commute) without a stutter or a dropped connection.

I did have to reboot my phone one time when no one was able to hear anyone when initiating a BT call and then all subsequent calls were also in the same state and I could not switch away from the BT connection.
--Larry
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--Larry
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post #5 of 72
Almost every day, my iPhone 4 disconnects from the car's Bluetooth (Ford Sync in-car system) when I pull out of my driveway. I can tell it to reconnect and it's fine the rest of the day - it doesn't happen any other time.
post #6 of 72
Quote:
Originally Posted by Mazda 3s View Post

That being said, I just want a fix for this flippin' proximity sensor issue.

I really only use my phone over BT, so I had no real feel for the proximity sensor business until recently. I've been driving a loaner without built in BT and have hung up on and/or muted almost every call. I doubt I did either in the 2 years I had my 3G.
--Larry
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--Larry
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post #7 of 72
Let's hear what issues Nokia has with BT. I bet that these problems are a challenge to the entire mobile industry. Plus, they likely affect no more than 0.55% of iPhones.
post #8 of 72
Just picked up an awesome new GLK350 and haven't had any issues with connectivity.
Duane, Ford runs Microsoft software, not that it should cause any issues, but could that explain it a bit.
post #9 of 72
I have a Lexus and no problems with the bluetooth connection.

Maybe different car manufacturers' have different ways of finding a bluetooth device?

Probably just a software glitch that needs tweaking....
post #10 of 72
Really? The bluetooth has been working way better than my 3GS, in my experience. I use it to play music through my car stereo, and I feel like it skips/pops way less than it used to. I've never had it just disconnect, even when I'm holding it in my hand in the car.
post #11 of 72
This just in!

Today, Apple Inc. announced ToothTime, a new short range communications protocol for wireless devices. Apple started working on the new standard after users complained about buggy Bluetooth performance on iOS devices.

"Here at Apple Inc, we love our users," said CEO Steve Jobs, "And when we realized how buggy Bluetooth was, we decided to help make things right by introducing our own proprietary standard. Trust me, Bluetooth is a big bag of hurt!"

Asked about claims that Bluetooth worked fine under iOS 3 and under, Jobs responded, calling those claims, "a total crock!"

COO Tim Cook noted that Bluetooth functionality would be disabled under all future revisions of iOS and its related devices through a future software update. "You want wireless device connectivity? You'll be able to buy ToothTime enabled accessories starting in Q4 of this year. Stay tuned, this protocol is something magical! No muffled calls, no dropped connections, only crystal clear sound and flawless data transfers."

Apple executives reportedly began sending out ToothTime license applications to its accessory partners earlier this week.

More on this fictional story as it develops...
post #12 of 72
Quote:
Originally Posted by Mazda 3s View Post

No problems with my iPhone 4 and my Samsung Bluetooth headset. Sorry for those that are having problems.

That being said, I just want a fix for this flippin' proximity sensor issue.

I've had no Bluetooth issues with my iPhone 4 on my Mazda3's Bluetooth system. I bought the car on my last few weeks of my i3G and had a few dropped connections with that, so it seems the new antenna is working better for me so far as long as the phone isn't being held (which I don't do in the car anyway).

I hadn't had any proximity sensors issues until yesterday when my cheek caused my iPhone4 to go into Hold or Mute mode 3 times during a call! I usually angle the phone away from my head so it hasn't previously been an issue but I fully understand how it can be a major issue for some.

Still dropping calls in San Francisco when 3G is enabled, anxiously awaiting my badly needed bumper!
post #13 of 72
I have had zero issues with BT. I have a Lexus and a Jeep Warngler with built in BT support and it works as well if not better than my 3GS did with the old OS.
post #14 of 72
If I want to listen to music, I always plug it in to the adapter but I do have issues with the BMW dock connector not staying clicked in. I don't usually listen to music while driving around town though, only for longer road trips. I did notice the no media found message when I was flipping through the menus the other day, but I didn't think to investigate further. I have 3GS on iOS 4.

Life is too short to drink bad coffee.

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Life is too short to drink bad coffee.

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post #15 of 72
I recently got a new BMW and I have a bluetooth related problem with my iPhone 4. My car uses bluetooth for the phone and a dock connector to play music/control the ipod. When I answer a phone call and then end it music will no longer play when connected to the dock connector. I have to restart the phone to get music to start playing again.

EDIT: Thought I should add a little more clarity. The car stereo thinks it's playing music. I can move through the tracks, start playlists, etc. But I get no sound.
post #16 of 72
No problems using 3GS or iPhone 4 in my 2010 Prius auto. Works fine without issues. The only thing is I cannot use radio or steering wheel controls to skip a song or skip forward. Have to use the Phone itself for that function(s) which kind of defeats hands-free play back. No matter, I'm quite happy with BT iPhone in my Prius.
Regards
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Regards
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post #17 of 72
I have been having issues all week trying implement bluetooth and get a reliable connection on one of my apps. Testing on 3GS IOS3 drops packets and hangs even on the 'reliable' setting. Very irritating.
post #18 of 72
You're holding it wrong.
post #19 of 72
Quote:
Originally Posted by DrDoppio View Post

Let's hear what issues Nokia has with BT. I bet that these problems are a challenge to the entire mobile industry. Plus, they likely affect no more than 0.55% of iPhones.

That maybe true. Why don't you head over to Nokia insider and report back.

This is an Apple centric website and reports acordingly. I did not not get the feeling that Ai was being overly critical of Apple or had a Apple is doomed spin on the story.
Crying? No, I am not crying. I am sweating through my eyes.
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Crying? No, I am not crying. I am sweating through my eyes.
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post #20 of 72
Quote:
Originally Posted by DrDoppio View Post

Let's hear what issues Nokia has with BT. I bet that these problems are a challenge to the entire mobile industry. Plus, they likely affect no more than 0.55% of iPhones.

Oh yeah, me too! How can there be any problem, common, Apple made it!
post #21 of 72
Quote:
Originally Posted by bdkennedy1 View Post

You're holding it wrong.

The right way to hold it is balance it on a single (index) finger while keeping the phone horizontal.. sorta "fingering" pose!
post #22 of 72
Word on the street is it's a conflict with WiFi. Supposedly a known and documented issue. I would guess it will probably will be fixed in 4.1 (or maybe a 4.0.2 if one exists.)

Work around is to turn off WiFi when using Bluetooth.

Regardless of where it ends up, a fix is presumably on it's way.
post #23 of 72
Quote:
Originally Posted by VulpesRex View Post

This just in!

Today, Apple Inc. announced ToothTime, a new short range communications protocol for wireless devices. Apple started working on the new standard after users complained about buggy Bluetooth performance on iOS devices.

"Here at Apple Inc, we love our users," said CEO Steve Jobs, "And when we realized how buggy Bluetooth was, we decided to help make things right by introducing our own proprietary standard. Trust me, Bluetooth is a big bag of hurt!"

Asked about claims that Bluetooth worked fine under iOS 3 and under, Jobs responded, calling those claims, "a total crock!"

COO Tim Cook noted that Bluetooth functionality would be disabled under all future revisions of iOS and its related devices through a future software update. "You want wireless device connectivity? You'll be able to buy ToothTime enabled accessories starting in Q4 of this year. Stay tuned, this protocol is something magical! No muffled calls, no dropped connections, only crystal clear sound and flawless data transfers."

Apple executives reportedly began sending out ToothTime license applications to its accessory partners earlier this week.

More on this fictional story as it develops...

hmm ... troll !
post #24 of 72
I actually was able to confirm with an Apple rep that this is due to wifi. Most people say this happens as they pull out of their driveway...thats probably because they are driving away from their wifi spot.

Basically, with wifi turned on, I connect to my in car BT. As soon as I drive away (and lose wifi signal), the connection hiccups, and disconnects. The iPhone does not attempt to reconnect with the BT device, and thus no connection is established. If I go to Settings->Bluetooth, I still see my in car kit as a device, but it is simply "Not Connected".

When I called Apple regarding this issue, they told me it was a known issue and could be fixed in an upcoming patch.
post #25 of 72
Quote:
Originally Posted by Rider View Post

hmm ... troll !

!Troll, I though it was quite amusing. The problem may well be ios4. I hope so , I have one BT device I use while driving, and it was great with my 3G, and 3GS, but a disconnecting, distorted annoyance with my iPhone4.
Before someone says anything about the complaints to apple not showing there is a problem, I discussed it with my local Apple store - they denied there was a problem, but the Genius reinstalled the OS, and suggested if the problem continues (which it does) they will replace the Phone . I have not been back to change it in the last coupe of weeks.
\
post #26 of 72
Quote:
Originally Posted by AppleInsider View Post

The Bluetooth pairing issues are said to exist across a range of devices, including vehicles from Mercedes-Benz and BMW, car stereos from Pioneer and Alpine, and headsets from Motorola and Jawbone.

My experience has been quite the opposite. Since upgrading my iPhone 3G to iOS 4 and subsequently with my iPhone 4, I find that they work better with my Pioneer head unit. Acutally, with iOS4, I can actually hear my custom ringtones through the car stereo now. In my BMW, everything is working perfectly fine as well. I did have one issue however, that I've since resolved. When I had my iPhone 4 and my wife's iPhone 3G paired with the car, I found that the system would frequently hunt between the two devices even though only one was present. Since I drive the BMW most of the time (as opposed to my wife), I just deleted her phone from the list of paired devices and bingo, problem solved. Sorry for those having problems, but mine works perfectly.
post #27 of 72
Quote:
Originally Posted by valkraider View Post

Word on the street is it's a conflict with WiFi. Supposedly a known and documented issue. I would guess it will probably will be fixed in 4.1 (or maybe a 4.0.2 if one exists.)

Work around is to turn off WiFi when using Bluetooth.

Regardless of where it ends up, a fix is presumably on it's way.

Can't say if it's WiFi related or not, just that in my situation, I've got BT, WiFi, 3G, location services all enabled and everything is fine. I did experience an issue with my BMW with multiple phones paired with the car (see previous post). Deleting the other phone fixed the problem. To those with problems, do you have it paired with a car and a headset or multiple devices? That's the only thing that cause a slight issue for me.
post #28 of 72
Quote:
Originally Posted by valkraider View Post

Word on the street is it's a conflict with WiFi. Supposedly a known and documented issue. I would guess it will probably will be fixed in 4.1 (or maybe a 4.0.2 if one exists.)

Work around is to turn off WiFi when using Bluetooth.

Regardless of where it ends up, a fix is presumably on it's way.

That would make sense. The only time mine disconnects from Bluetooth is when I'm pulling out of my driveway - about the point where I drive out of range of the house's WiFi.
post #29 of 72
No issues here. Just purchased the blueant unit, works great.

Now the proximity sensor, don't get me started . . .

Bluetooth-gate might be coming.
post #30 of 72
Quote:
Originally Posted by duaneu2 View Post

Almost every day, my iPhone 4 disconnects from the car's Bluetooth (Ford Sync in-car system) when I pull out of my driveway. I can tell it to reconnect and it's fine the rest of the day - it doesn't happen any other time.

Ford Sync is a Microsoft product - you are getting the bluetooth blue screen!
post #31 of 72
Quote:
Originally Posted by Linkshot View Post

I actually was able to confirm with an Apple rep that this is due to wifi. Most people say this happens as they pull out of their driveway...thats probably because they are driving away from their wifi spot.

Basically, with wifi turned on, I connect to my in car BT. As soon as I drive away (and lose wifi signal), the connection hiccups, and disconnects. The iPhone does not attempt to reconnect with the BT device, and thus no connection is established. If I go to Settings->Bluetooth, I still see my in car kit as a device, but it is simply "Not Connected".

When I called Apple regarding this issue, they told me it was a known issue and could be fixed in an upcoming patch.

Ahh... this describes exactly what I've experienced with my Ford Sync since updating to iOS 4. It's not a huge deal, but sounds like an easy fix is on the way.
post #32 of 72
Quote:
Originally Posted by VulpesRex View Post

This just in!

Today, Apple Inc. announced ToothTime, a new short range communications protocol for wireless devices. Apple started working on the new standard after users complained about buggy Bluetooth performance on iOS devices.

"Here at Apple Inc, we love our users," said CEO Steve Jobs, "And when we realized how buggy Bluetooth was, we decided to help make things right by introducing our own proprietary standard. Trust me, Bluetooth is a big bag of hurt!"

Asked about claims that Bluetooth worked fine under iOS 3 and under, Jobs responded, calling those claims, "a total crock!"

COO Tim Cook noted that Bluetooth functionality would be disabled under all future revisions of iOS and its related devices through a future software update. "You want wireless device connectivity? You'll be able to buy ToothTime enabled accessories starting in Q4 of this year. Stay tuned, this protocol is something magical! No muffled calls, no dropped connections, only crystal clear sound and flawless data transfers."

Apple executives reportedly began sending out ToothTime license applications to its accessory partners earlier this week.

More on this fictional story as it develops...

Not funny - quite asinine actually. Grow up.
post #33 of 72
I've had zero problems with BT connections using my 3GS phone. Since I got the iPhone 4 and the new iOS 4 I have problems DAILY. In my 2009 Acura TL, the music will stop playing randomly whether I'm at home leaving the wifi spot or at the mall or anywhere else. I also find it drops intermittently or altogether when I'm wearing my wireless BT headphones when working out at the gym or working the yard. This is bizarre because it never happened before my upgrade. The sound quality also distinctly degrades randomly, which is very annoying. This is my 2nd iPhone 4, which I just got last week. I had to exchange my first one because it was shutting down randomly during calls (not powering down, but actually just going black and off instantly and couldn't restart it without numerous attempts to reboot, even when fully charged and/or connected to my Mac). I'm glad to hear that I'm not the only one having the bluetooth problem but there has got to be a fix.
post #34 of 72
Quote:
Originally Posted by Mazda 3s View Post

No problems with my iPhone 4 and my Samsung Bluetooth headset. Sorry for those that are having problems.

That being said, I just want a fix for this flippin' proximity sensor issue.


Are you saying you don't have connection problems, or not problems at all? I'm having problems when someone calls and I try to use my bluetooth headset. They can barely hear me. Extremely annoying. Back on my old 3G (not upgraded to 4.0 yet), it still works fine. At this point, I can't use my headset to talk on the phone. Terrible sound quality.
post #35 of 72
Quote:
Originally Posted by Rob55 View Post

Can't say if it's WiFi related or not, just that in my situation, I've got BT, WiFi, 3G, location services all enabled and everything is fine.

When the iOS4 device drops a WiFi that it is connected too, for some reason it also barfs the bluetooth connection. I have been able to repeat the problem repeatedly by walking to the edge of my WiFi range and take a few steps in either direction, while using my BT earpiece.

Connect, disconnect, connect, disconnect. Over and over, I almost have it down to where I know the exact line is in my neighbors lawn...

It will also happen when I connect or disconnect to any other WiFi access point. So say I drive past a cafe where I had connected to WiFi previously, when my phone connects to that WiFi then loses it again, it will disconnect my BT hands free in the car.

I too have word that it is iOS related, and not hardware - and that the fix is already on its way - just where the fix lands is unknown. But disabling WiFi makes the problem go away.
(Makes me wish Apple would implement a SBSettings like functionality to turn on/off WiFi, BT, and 3G).

You might not be experiencing a problem because you never are connected to WiFi and BT and then hit that "edge of the WiFi service" area while also using your BT device. (Maybe).
post #36 of 72
The only iOS4 problem that I've had on my iP4 was that I had to reset my voicemail password, two weeks after activating the phone. It worked fine at first. AT&T said it was a known iOS4 issue.
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post #37 of 72
Quote:
Originally Posted by payeco View Post

I recently got a new BMW and I have a bluetooth related problem with my iPhone 4. My car uses bluetooth for the phone and a dock connector to play music/control the ipod. When I answer a phone call and then end it music will no longer play when connected to the dock connector. I have to restart the phone to get music to start playing again.

EDIT: Thought I should add a little more clarity. The car stereo thinks it's playing music. I can move through the tracks, start playlists, etc. But I get no sound.

I have a 2008 BMW 650i. While I don't have any issues with Bluetooth dropping connections-- it actually works rather flawlessly-- I do have the same issue with taking a call while playing music. This is a new anomaly that started with the iPhone 4. I would assume, however, that this is actually an iOS 4 bug. This is brave new and very tangled world we live in. I've had various BMWs over the past eight years with Bluetooth phone integration into the car's onboard iDrive computer. Unfortunately, functionality often breaks when there is a software update. The thing that sucks is that it isn't always the phone's software update that is an issue. The car also gets occasional software updates. So now there are two moving targets-- the car OS and the phone OS.

By the way, regarding this current bug that occurs with BMW iDrive integration. You don't have to restart the phone to fix the problem. You just have to choose a different artist or playlist and the problem corrects itself..
post #38 of 72
Quote:
Originally Posted by Linkshot View Post

I actually was able to confirm with an Apple rep that this is due to wifi. Most people say this happens as they pull out of their driveway...thats probably because they are driving away from their wifi spot.

Basically, with wifi turned on, I connect to my in car BT. As soon as I drive away (and lose wifi signal), the connection hiccups, and disconnects. The iPhone does not attempt to reconnect with the BT device, and thus no connection is established. If I go to Settings->Bluetooth, I still see my in car kit as a device, but it is simply "Not Connected".

When I called Apple regarding this issue, they told me it was a known issue and could be fixed in an upcoming patch.

For real? Because that sounds like my problem exactly. That would be great news.
post #39 of 72
Sad but true. By the way they fixed a lot of bugs too, it's just that it added more than enough to make up the difference.

I don't use BlueTooth so I can't really comment on it. However iOS 4 has all the appearance of software that was rushed into production. No doubt that running iOS 4 on a 3G just makes the issues more visible. Then again some of the performance issues there are very likely due to bugs.

In a nut shell Apple needs to do better!!!


Dave
post #40 of 72
Quote:
Originally Posted by flgator1 View Post

I have had zero issues with BT. I have a Lexus and a Jeep Warngler with built in BT support and it works as well if not better than my 3GS did with the old OS.

Quote:
Originally Posted by Katonah View Post

I have a Lexus and no problems with the bluetooth connection.

Maybe different car manufacturers' have different ways of finding a bluetooth device?

My father has a Lexus, his iPhone 3G with iOS4 seems to work fine. My mother's iPhone 3GS with iOS4 doesn't always hangup when ending a bluetooth call. (It might NEVER hangup, haven't tested).

When calling another mobile phone, the person she's calling hangs up and the call ends. Same when calling a landline - within 2 minutes the calling party is disconnected. So this works okay for her.

When calling work (a VoIP system) it doesn't seem to disconnect at all. We got a bill for a 2.5 hr phone call at $150 (the office closed 5 minutes after she started the call, and she never spends time on the phone). This has only happened once - perhaps it depends on whether the office VoIP was answered, hung up while still ringing, or went to voicemail.
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