sony xa apps not working

[RK1992]

recently my sony xa mobile have too much hanging problem.lot of applications not properly working & automatically its showdown its self. I done format 2 times but still the hanging problem not solved. what's  the solution for the problem.  

[Банан]

У меня кажется вирус от сообщения я не могу зайти в настройки и сообщения

I think the virus from the message I can not go into the settings and messages

gt