https://community.sony.ee/t5/z-series/power-button-does-not-respond-to-wake-up/m-p/3281912#M31637 <P>i had some issue about the power button. it does not wake up the phone when i press it but the power key is pyhsicaly normal and in good condition. i had update my xperia z to android 4.4.4.. i need to connect to the usb power supply to wake the phone.. when i at the outdoor i cannot use the phone bcoz it does not wake up,. i had use some way to solve the problem. i had restart, press the volume up and power key.. please help me:smileyworried:</P> Thu, 18 Sep 2014 16:01:53 GMT FaZack 2014-09-18T16:01:53Z https://community.sony.ee/t5/z-series/power-button-does-not-respond-to-wake-up/m-p/3281912#M31637 <P>i had some issue about the power button. it does not wake up the phone when i press it but the power key is pyhsicaly normal and in good condition. i had update my xperia z to android 4.4.4.. i need to connect to the usb power supply to wake the phone.. when i at the outdoor i cannot use the phone bcoz it does not wake up,. i had use some way to solve the problem. i had restart, press the volume up and power key.. please help me:smileyworried:</P> Thu, 18 Sep 2014 16:01:53 GMT https://community.sony.ee/t5/z-series/power-button-does-not-respond-to-wake-up/m-p/3281912#M31637 FaZack 2014-09-18T16:01:53Z https://community.sony.ee/t5/z-series/power-button-does-not-respond-to-wake-up/m-p/3281913#M31638 <P>Try performing a system repair as this will often fix issues after an upgrade - This will factory reset your phone<BR /><BR />Switch off your phone and unplug from Pc (Hold volume up and power for around 10 seconds)<BR />Start PC Companion and select Support zone then Update my phone/tablet then in Blue Repair my phone/tablet and follow the onscreen instructions - When prompted connect your phone still switched off holding volume down or back button - This should start the repair or reformat process<BR /><BR />If you are using Windows 8/8.1 or a 64bit operating system then adjust the settings for PC Companion and run in compatibility mode and chose Windows 7 or XP</P> Thu, 18 Sep 2014 18:04:29 GMT https://community.sony.ee/t5/z-series/power-button-does-not-respond-to-wake-up/m-p/3281913#M31638 Thommo 2014-09-18T18:04:29Z https://community.sony.ee/t5/z-series/power-button-does-not-respond-to-wake-up/m-p/3281914#M31639 It works but all my apps gone, anyway thanks a lot. Love Sony.. Thu, 18 Sep 2014 18:45:25 GMT https://community.sony.ee/t5/z-series/power-button-does-not-respond-to-wake-up/m-p/3281914#M31639 FaZack 2014-09-18T18:45:25Z