Mobile automatic restart problem

[Karthick1995]

My sony xperia z1 mobile is automatically restart / restart it self. Thn wats app and. Playstore nd system UI not responting


I tryied pc companion software repaire but no use

[Hampus]

Hi,

After the software repair, did you restore any backup/installed any applications? Does the phone restart when you do something special, for example open an app or similar?

[Karthick1995]

No i don't installed any restore files

[Karthick1995]

Thn my mob is somtimes randomly restart

[Criteria]

Do u have enough battery percentage? Have u tried re flash firmware?

[Criteria]

I dont have any problem for my z1 for every  software update from 4.2>4.3>4.4>5.0>5.02>5.1.1.
Except the battery drains after 5.0 update( sudden dies at 90%, 80%) but right after i changed the battery my z1 works as new. Currently running 5.1.1 and everything is smooth. 

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@Karthick1995 wrote:
Thn my mob is somtimes randomly restart

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Even though most ppl recomended software repair through PCC. Mine dead cz fail repair at arounf 90+%. Androxye Flashtool is way better than PCC