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i my camera has suddenly stopped working showing the message "camera not available" and also my phone has gone very slow too Please can anyone help???
Hi and welcome to the community! Since you're new please be sure that you have checked out our Discussion guidelines.
I would suggest that you try to boot your phone into safe mode to see if the problem may be related to any 3rd party app that you have installed in your phone:
http://talk.sonymobile.com/t5/FAQ/How-to-boot-your-phone-into-safe-mode/m-p/348008#U348008