Auto shut down

[vincent291099]

When i turn on mw xperia z1 then i open my line and suddenly my xperia z1 auto shut down.What is the probelm?My xperia is not heat.Give me a solution please

[Hampus]

Hi and welcome to the community! Since you're new please be sure that you have checked out our Discussion guidelines.

That sounds strange. Have you tried to power on the phone without SIM- and SD-card to exclude problems related to one of these cards?