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my phone is using all the available ram n freezes, what should i do?
Check these sticky threads first.
http://talk.sonymobile.com/message/154242#154242
http://talk.sonymobile.com/message/440001#440001
http://talk.sonymobile.com/message/406527#406527
sign out of facebook ,remove live running third party apps(like wechat),check running apps for games still running in background ,clean cache