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Updated A2DP profiles in iOS 4.3 causes problems?

21464 Views 59 Replies Latest reply: Nov 27, 2013 5:18 AM by Vinmar RSS Branched to a new discussion.
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MaxMad Calculating status...
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Mar 10, 2011 3:28 AM
Hi,

I've been using the Nokia BH-905i Bluetooth headset together with my iPhone 4 since the day I bought it. Excellent sound quality and all the controls - volume up/down, start/stop, next/previous and answering calls - all worked flawlessly until... I upgraded to iOS 4.3. Now the sound is to about 90% shifted to the left earcap when listening to music or answering calls. Tried them on a friends iPhone 4 that still runs iOS 4.2.1 and no problem.

I have reste the phone and the headset a number of times but to no avail, the problem is still there.

Anyone else experiencing something similar after upgrading to iOS 4.3?

Any ideas if there is a fix?

best regards,

/Max
iPhone 4, iOS 4, version 4.3
  • _Ted_ Calculating status...
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    Mar 10, 2011 7:01 AM (in response to MaxMad)
    My Samsung WEP870 (Bluetooth stereo) headset also behave strange after 4.3 update.
    Before the update i had no problems with this headset and my iPhone 4.

    It feels like its must be much closer to the phone (max 30-40cm) to work properly. Some times the phone drops the connection to the headset when listening to music or watching movies.
  • sibi4403 Calculating status...
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    Mar 11, 2011 12:04 AM (in response to _Ted_)
    I have the same problem with my Bose bluetooth headset and iPhone 4 after updating to iOS 4.3.
    iMac 24'' 3.06, MBA 15'' 2.33, Mac Mini Intel C2D, iPhone 4, iPad, Mac OS X (10.6.6)
  • sepcm91 Calculating status...
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    Mar 11, 2011 4:26 AM (in response to MaxMad)
    I'm having dodgey behavior with the iPhone 4 and my Sony Ericsson bluetooth HBH-PV740 after the upgrade. Sometimes it works as expected, sometimes it takes over long to connect to the phone or drops the call. It also appears that when the phone is ringing and the bluetooth is paired, I get no ring signal. I can't find any pattern yet, it's hit or miss. Bluetooth has been working fine for 2 years up until now both with iPhone 3Gs and 4. Any hints or tips welcome.
    HP HDX-18, Windows 7
  • Pemple Calculating status...
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    Mar 11, 2011 6:46 AM (in response to sepcm91)
    I had the same problem after upgrading. My headphones worked for the phone but not music. I removed the headphones' profile from the Bluetooth profiles and then re-paired them and not they are fine.
  • PandaXpress Calculating status...
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    Mar 11, 2011 11:29 AM (in response to Pemple)
    Quick questions...so does the iphone now have A2DP bluetooth streaming? meaning it could play music wirelessly on a A2DP supported receiver (i.e. car radio)? I was under the impression that it did not have this capability. Could this have possibly been fixed by 4.3? Thanks
    Macbook Pro 2.4Ghz, Mac OS X (10.6.6)
  • Noah Abrahamson Calculating status...
    @PandaXpress: Yes, A2DP has been enabled for years now.

    I've encountered the same problem as described here with my Nokia BH-905i too. After the iOS 4.3 update, the sound is widely, uncomfortably distributed between the two speakers (super stereo!) and the bass booster and stereo widening buttons now no longer work. The sound is quite different. My Bluetooth connection to my Mac Pro remains the same.
    Mac OS X (10.6.6)
  • KiltedTim Level 8 Level 8 (36,005 points)
    I know for a fact that 4.2.1 has it. Don't know about any version of 4.x prior to that, though. I have an old 3G with 4.2.1 and use A2DP streaming to the car stereo all the time (2011 Kia Optima).
    17" iMac, Mac OS X (10.6.6), iPhone 3G, iPod Shuffle, iPod Nano, MacBook
  • PandaXpress Level 1 Level 1 (0 points)
    @Noah: I spoke to an apple rep yesterday and they said the Iphone 4 does not support A2DP. Ill just assume he didnt kno what he was talking about? Thanks btw!
    Macbook Pro 2.4Ghz, Mac OS X (10.6.6)
  • Noah Abrahamson Level 1 Level 1 (65 points)
    Currently Being Moderated
    Mar 11, 2011 2:15 PM (in response to MaxMad)
    It seems iOS 4.3 is using either MP3 or AAC now as a codec to send music to some Bluetooth headphones (like my Nokia BH-905i) rather than SBC. From the Nokia documentation,

    The effects (of Bass boost and stereo widening) are available if your music player uses SBC encoding. If the music player uses MP3 or AAC direct streaming instead of SBC, the effects are not available.


    This is still part of A2DP, it just refers to how the sound is compressed and sent over the air, not how its encoded on your iPhone. Here's a bit that helps explain this, though it's four years old. http://www.pcmag.com/article2/0,2817,2164573,00.asp

    For me, it sounds great, but disconcerting at first, especially the wide stereo sound.
    Mac OS X (10.6.6)
  • Graf Zeppelin Calculating status...
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    Mar 14, 2011 1:35 AM (in response to MaxMad)
    @Max

    Same here. I use BH-905 (first Version). Apple screwed pairing up when they went from 3.1.3 to 4.0 (worked only with a special trick) and now the sound is completely shifted to the left.

    The BH-905 still works flawlessly with my MacBook Pro, so it's an IOS issue.

    Will send Apple a message; notifying them is the only way to get this resolved.

    BR

    Joe
    MacBook Pro Mid 2010
  • mrk Calculating status...
    Same here as well. I also use the first version of BH-905. The sound is shifted to the left after I upgraded to 4.3 on my iPhone4 and iPad. Works ok on my Nokia N900.
    iOS 4
  • daverogers Calculating status...
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    Mar 15, 2011 9:55 AM (in response to MaxMad)
    This has caused my Kensington LiquidAUX Bluetooth to stop working (in regard to music streaming - the phone bit still works). Tried re-pairing a few times but to no avail.

    Looks like it's back to 4.2.1 for me....
    MacBook Pro, Mac OS X (10.6.4)
  • Big_E Calculating status...
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    Mar 16, 2011 6:17 AM (in response to MaxMad)
    Works fine for me with Nokia BH-604 and iPhone 4. Only problem I have that while I'm on the phone, not via BT headset, that often the iPhone is changing the output to the headset. Then it's completely silent in the phone, like you lost the connection. Remedy is to change back to the handset. Has been like this since iOS 2.1.x
    iMac 24" 3.06Ghz 4GB 1TB, Mac OS X (10.6.6), MacBook, iPhone 3G, iPhone 3GS, iPhone 4 iPod Touch, iPod Nano, iPod Shuffle
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