Very slow and poor Performance in Xperia j (11.0.A.7.5)

[xp]

my xperia performs too slow can you help me how to make fast its operation.....

[Alexander1]

Please check the following FAQ topic: 

http://talk.sonymobile.com/t5/FAQ/Does-your-phone-feel-slow-and-laggy/m-p/347824#U347824