My Xperia SL keep restarting

[diaa_ragab]

My Xperia SL restarts on many cases

when i don't use it suddenlly it restarts

when i make acall restarts

when i was on facebook restarts

it restarts every week or two weeks

so when i went to service center they don't see the problem they only test it for 3 days

and tell me no restart problem

i don't know what i should do to prove that to them

i still have ICS software on my phone

IS this restart problem from hardware or from software??????????

[Samuel1]

At first I would recommend that you try to repair the phone software via PC Companion:

http://www.sonymobile.com/update

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[diaa_ragab]

I'm afraid from jellybean bugs

Is there any fix for this bugs soon?

I wanna to ask u about normal temperature for battery ?

while using phone for about 45 min chatting on Facebook on WiFi battery

temp 41

Is that good temp or high?

i checked by code *#*#4636#*#*