Xperia U not booting

vahidanwari · Mar 13, 2014

Xperia U not Booting

Device: Xperia U

ROM ST25i_6.2.A.1.100_unofficial_v16

Kernel Experimental v12

Suddenly Stopped working
Not booting i can feel the first vibration pulse then after 5-8 sec again it vibrates
Charged battery fully checked voltage its fine 4.18v , removed then reassembled still not booting,
if i connect it to PC it detects and shows internal storage; detects in fast boot too, so i re-flashed kernel ( Experimental v12),
Still its not booting the problem remains the same
Tried a hard reset with power and volume keys. Still no change.

any solution on this or any one has experienced this issue please help

Thanks

Hamza Murad · Mar 13, 2014

vahidanwari said:
Xperia U not Booting

Device: Xperia U

ROM ST25i_6.2.A.1.100_unofficial_v16

Kernel Experimental v12

Suddenly Stopped working
Not booting i can feel the first vibration pulse then after 5-8 sec again it vibrates
Charged battery fully checked voltage its fine 4.18v , removed then reassembled still not booting,
if i connect it to PC it detects and shows internal storage; detects in fast boot too, so i re-flashed kernel ( Experimental v12),
Still its not booting the problem remains the same
Tried a hard reset with power and volume keys. Still no change.

any solution on this or any one has experienced this issue please help

Thanks

after flashing kernel you should have cwm recovery. Do a nandroid backup to preserve data then flash stock ftf using flashtool.
After flashing ftf phone will boot. reinstall rom/kernel and then extract the required data (messages / appdata etc) (many apps available on playstore search)
Do not restore the nandroid backup as it will cause softbrick again.
ftf here
http://xdaforums.com/xperia-u/u-development/stock-rom-firmware-6-1-1-b-1-54-ftf-ics-t2028139

Any questions? feel free to ask.

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Xperia U not booting

vahidanwari

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Hamza Murad

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