iPhone suddenly draining and warm

[Twilight]

I have 5 iPhone 5/5s
Suddenly all the phone start to act strangely
It become wArm when use and battery draining fast

Anyone encountering this issue?
All phones all jail broken
IOS 7.0.6

 

[negativzero]

Restoring and use safe mode. Then go back to normal mode.

 

[Twilight]

Jailbreak will be gone

 

[maxheadroom]

funny, i also encounter the same thing on my ip5s yesterday. i quicky switch off and let it cool for a while.

 

[angelmiao]

even on wifi?