XPERIA P FAILS TO BOOT

[ZOOMA65]

GOOD MORNING EVERY ONE

I AM USING XPERIA P ICS 4 ,YESTERDAY AFTER MANY MULTIPLE TRIAL BY MY SMALL CHILD TO UNLOCK SCREEN THE PHONE GOES OFF

AND WHEN I TURN IT ON( IT KEEPS BOOTING UNTIL THE XPERIA LOGO APPEAR AND TURN OFF AND TURN ON AGAIN  AND AGAIN ALL BY IT SELF )

THE PHONE KEEP  DOING THIS UNTIL THE BATTERY GOES OFF.

SO WHAT'S HAPPENING

THANK IN ADVANCE FOR ALL

[menedeten]

The same thing happened to me the other day for an unknown reason.

I have solved it by repairing my device with SUS as it is described here:

http://talk.sonymobile.com/message/255689#255689

Yeah it erased the system, but I had my backups and I could restore everything in less than an hour.

[ryan515]

try force shut down. UP volume+Powerbutton

[rui.2ms]

try that:

http://talk.sonymobile.com/thread/46542?start=0&tstart=0

it helped me...