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[Q] unable to play sound

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Info 2 [Q] unable to play sound

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.

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. (stock firmware) (DooMKernel)

Anyone can help me? Do you think downgrading firmware can solve the problems as mentioned above?
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cameljockey1's Avatar
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Try flashing the full ftf then reroot. Use flashtool.

Sent from my C6806 using XDA Premium HD app
Device: Sony Xperia Z Ultra LTE T-mobile

Previous devices:
Samsung Galaxy Note II
HTC Sensation
Samsung Vibrant T959
HTC Mytouch 3G

Junior Member - OP
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Posts: 5
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Nothing helps. Relocked bootloader, repaired using sony software.
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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.

Sent from my C6833_GPe using Tapatalk
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