My ZTE 820 shuts off after thermal warning message. Why?

[AC Question]

my ZTE 820 shuts off after thermal warning message. why?

Why does it
Do this how to fix
it

 

[belodion]

Re: my ZTE 820 shuts off after thermal warning message. why?

Does it show the message when, so far as you can tell, the phone is overheating, or when there is no apparent overheating?