I recently updated my Sony Xperia SP with the new software, instantly I regretted it as the phone turned into a mess, every app I open within a few seconds 'isn't responding' and has to be closed. The phone is incredibly slow and doesn't load things properly, is there a way to revert it back to how it was/ reinstall the software and try again? I've already done a factory reset which actually made it worse! Really need an idea of what to do and whether I can sort it rather than taking it back to the shop!
Thanks!
