Help me!

[Gesu94]

Hello everyone, today is that my phone turns on and off constantly.
While I was playing broom (whatsapp) with bluetooth and wi-fi on my phone went off and went into bootloop. How do I solve this problem?
(lt 18i xperia arc s)

[_alexdon_]

This is xperia s section,you posted in the wrong place.Download sony update service and repair phone software.

Moved to correct section.

[Gesu94]

how do I update the phone if it does not connect because it turns on and off

[_alexdon_]

Remove the battery,wait 30 seconds,put it back.Connect to wall charger,turn it on.

[Gesu94]

continues bootloop

[_alexdon_]

http://talk.sonymobile.com/t5/Xperia-arc-Xperia-arc-S/Xperia-Arc-S-Auto-restart-problem/td-p/340802