https://community.sony.no/t5/xperia-archive/problem/m-p/3306036#M436336 <P>Try to perform a system repair</P><P>Switch off your phone and unplug from Pc (Hold volume up and power for around 10 seconds)</P><P>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</P><P>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> Wed, 13 Aug 2014 08:57:25 GMT Thommo 2014-08-13T08:57:25Z https://community.sony.no/t5/xperia-archive/problem/m-p/3306035#M436335 <P>i have a sony xperia u i formatted the storage and then it shut down by itself and when i turn it on again it doesnt turn on ccompleitley it shuts down again and keeps turning on and off alone</P> Wed, 13 Aug 2014 08:56:17 GMT https://community.sony.no/t5/xperia-archive/problem/m-p/3306035#M436335 bruh1234 2014-08-13T08:56:17Z https://community.sony.no/t5/xperia-archive/problem/m-p/3306036#M436336 <P>Try to perform a system repair</P><P>Switch off your phone and unplug from Pc (Hold volume up and power for around 10 seconds)</P><P>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</P><P>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> Wed, 13 Aug 2014 08:57:25 GMT https://community.sony.no/t5/xperia-archive/problem/m-p/3306036#M436336 Thommo 2014-08-13T08:57:25Z