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hello there...the softkeys of my Xperia L becomes unresponsive on opening the keyboard...i can only touch the keyboard after that...also the keyboard remains on top of everything like status bar or any other menu...i have to lock and unlock the phone to get it working each time...can anyone help ??
I also tried some 3rd party keyboards...some of them works fine but most of them showing the same error as the default one.
Reboot on safe mode and check again or repair your phone with SUS or PCC
Bridge (for Mac)
Alternatives on How to backup Xperias
Goto setting>apps>all>xperia keyboard clear cache and data...force stop and reboot your phone...see how it goes
Tried both of them....none of them works 
Its working fine in safe mode though!!
I think it is related to a 3rd party app or keyboard.