sony xperia v is turn of then on itself

[diver]

helloo  ım from turkey, bought  xperia v.It s allways turning of then  on again,sometimes dont turning on again. ı have changed battery and its has 4.3 last version. Help me plss      thank you

[crippep]

same here turns off then on, bluetooth bugging drains the battery slow and many apps crashing .

any one that have the the previous northern europe  firmware so i can revert the phone back? 

im from sweden.

[diver]

good idea  ı got mine from abroad so  cant give  back  but never  buy again sony product