Why is my phone going to off/on automatically. rebooting every 30 secs?

[AC Question]

why phone going to off/on automatically.. rebooting every30 secs

i pressed vol+ button and power button ... their evry thing showing that power fail
can u hav solution

 

[B. Diddy]

Re: why phone going to off/on automatically.. rebooting every30 secs

Welcome to Android Central! Which phone?