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Info 2 [Q] unable to play sound

OP yan99033

20th June 2014, 12:12 PM   |  #1  
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My phone was having serious problems few days ago. My z ultra misbehaved after I installed tudou app (similar with youtube). I cleared cache, dalvik cache, and factory resetted my phone. The problems still persist.

Problem:
Cannot play song (music, video, ringtone)
Cannot record video
Cannot perform incoming/outgoing calls
Cannot download internet setting

After flashing stock firmware and DooMKernel, the problems are still there.
http://forum.xda-developers.com/show....php?t=2711609 (stock firmware)
http://forum.xda-developers.com/show....php?t=2705130 (DooMKernel)

Anyone can help me? Do you think downgrading firmware can solve the problems as mentioned above?
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20th June 2014, 02:00 PM   |  #2  
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Try flashing the full ftf then reroot. Use flashtool.

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24th June 2014, 06:55 AM   |  #3  
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Nothing helps. Relocked bootloader, repaired using sony software.
24th June 2014, 06:46 PM   |  #4  
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Format /system and /data from recovery and see if that works. Note that this will delete EVERYTHING on the NAND (internal storage), so you'll have to re-flash a ROM after you've done it. Do not reboot the phone until you've flashed a ROM, or else you'll only get the Sony logo.

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