HELP Sony Xperia SP - Software Failure

[LD-]

Can anyone please help. My 15 year old son has been playing with his phone - without consulting us parents who appear to know nothing.  He has been playing with the software on his phone, and now I am trying to re install the original software and it says I cant as he has installed something on it. I want to try and sort this before his dad finds out. He may have been trying to jail break it. This is over my head. Basically I think I need to un install what ever he has installed on it. Any ideas please?

[Thommo]

Switch off your phone and unplug from Pc

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 - This should start the repair or reformat process

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

If it still fails then he may have unlocked the bootloader then you would need to follow other guides

[LD-]

Hi we tried this but it says there is software on the phone preventing the install

[Sam]

Unfortunately in this case there may be limited things we can do to get around this without knowing what he did; can you please ask him what tools/software he used to make these changes?

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[Thommo]

Does it say modified software detected? If it does then he has unlocked the bootloader - So you will need a program called Flashtools

You can relock your bootloader via Flashtools

Run the program Click BLU then connect in Flashmode (As above phone switched off and hold volume down and connect your USB cable) then you will be prompted to relock your device you then click Relock and job done

Once done follow my post above

[LD-]

Hi thanks I will find out when he gets in from school!!