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Battery Drain after connecting to FSE from BMW

OP morphisto

2nd May 2014, 01:41 PM   |  #1  
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My z1c has a hugh battery drain with KK 4.4.2 after i connected the z1c to my BMW via bluetooth. Even if i leave the car the bluetooth stack is very active - the process StartingObexMapTransaction and the android.bluetooth are eating up my battery. if i simply switch of bluetooth and after a few seconds on again (after leaving the car) everything is fine but if i do nothing after leaving the car the z1c looses 15% battery each hour without using it...

does anyone has the same problem? is the problem a kk 4.4.2 problem that could be solved by downgrading to 4.3?
2nd May 2014, 03:14 PM   |  #2  
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Quote:
Originally Posted by morphisto

My z1c has a hugh battery drain with KK 4.4.2 after i connected the z1c to my BMW via bluetooth. Even if i leave the car the bluetooth stack is very active - the process StartingObexMapTransaction and the android.bluetooth are eating up my battery. if i simply switch of bluetooth and after a few seconds on again (after leaving the car) everything is fine but if i do nothing after leaving the car the z1c looses 15% battery each hour without using it...

does anyone has the same problem? is the problem a kk 4.4.2 problem that could be solved by downgrading to 4.3?

Same issue here with Ford SYNC, http://forum.xda-developers.com/show...=2722415<br />

It seems the issue occurs also when use with Toyota TG as reported on other forum..

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3rd May 2014, 05:51 PM   |  #3  
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No issues with the built-in Bluetooth of my Citroen C3.
4th May 2014, 02:32 AM   |  #4  
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Quote:
Originally Posted by blue_quartz

No issues with the built-in Bluetooth of my Citroen C3.

Does your Citroen C3's built-in Bluetooth support text messaging (Bluetooth MAP)?

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4th May 2014, 02:55 AM   |  #5  
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Quote:
Originally Posted by ykkhern

Does your Citroen C3's built-in Bluetooth support text messaging (Bluetooth MAP)?

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Aha nope, my car only accesses the address book, no text messaging feature.
4th May 2014, 03:26 AM   |  #6  
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Quote:
Originally Posted by blue_quartz

Aha nope, my car only accesses the address book, no text messaging feature.

Just as I thought, I guess Bluetooth MAP is causing the issue....

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14th May 2014, 03:43 PM   |  #7  
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Temporary workaround here, post#5 in the following link:

http://talk.sonymobile.com/t5/Xperia...669607#U669607

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