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24th June 2014, 08:54 AM |#2  
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Originally Posted by Kenjijo

My Xperia z ultra cannot turn on, turn off, not charge.
When charging the led is on off on off.
Dont know what a problem i try to turn off all way but cannot.
Anyone here can help please?

Sounds like it could be a corrupt bootloader?

Things to try

Press the red 'off' button beside the sim card, then charge in a A/C charger for several hours, then see if it will power on

Do the above but dont power on. hold down the volume down button while connection to a PC

Do the above but press the 'red off button' while holding the vol - button while connected to the PC

These last two we want the LED to turn blue for 1/2 a sec then go out (Flash Mode)
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