Overheating Message while iPhone 4 is cool

I had the exact same thing happen to me today in a airconditioned room... I rebooted the phone and it came back normally but I hope its not hardware as well

I had this happen as well last night and called Apple support. The phone was sitting idle on a table in an air conditioned room when the message came up.

Must call Apple on this.

Of course it could be cool on the outside but very hot somewhere inside. Had a piece of spacecraft hardware melt on the inside while under test and cool to the touch due to poor thermal design (no way for heat to escape).

Phil

Exact same thing for me today. Onside air-conditioned room, phone not used for over hour. Cool to touch. Call comes in and the yellow triangle with earning about temp. Phone froze.

I just returned from the Apple store -- they ran a diagnostic and confirmed the heat issue and replaced my phone.

I took my phone back to the store today to have a diagnostic check done because it did the same. Not in use in an air-conditioned house. Got a phone call and it went into overheat warning. The phone was not even warm. The diagnostic test confirmed that something intermal had reached 173 degrees. They couldn't say what it was, everything checked out OK, and they offered to replace the phone. the tech documented the visit and the issue and I left with my original phone in hopes that it was a fluke. If it happens again, they said that I really should exchange my phone.

I got my iphone 4 5 days ago. Besides signal issue with antenna (by the way, even with the bumper on, signal issue still presents when holding the phone at lower left when I read or type), seems no other problems. Just about one hour ago, my phone rang so I picked it up, before I could answer the phone, overheating message popped up. Phone ring was cut off and the screen showing messages in different languages. I had to power off and power on to use the phone again.
I was in air conditioned room and the phone was not used for at least one hour and it was cool when the error happened. Seems phone ring will trigger the error. Will report again if it happens again.

I experienced this same issue today. I believe it is a glitch of some sort because many people experience it under the same circumstances, in the middle of the phone ringing while in a cool area. Along with this, it disappeared as soon as i restarted my iphone. I am disappointed that apple has no way for the public to report bugs, so i am writing this here in the hopes that it will be fixed in os 4.1

Same thing happened to me today. iPhone is in my pocket when i get a call. I picked it up to answer and message of overheating showed up. Couldn't do anything. Even sliding to emergency call, iPhone went to black screen and overheating message was there. After a minute or so, it went back to normal. I'm hoping this is a bug related.

Happened to me also. It was in air-con room and a rainy day. Yet, its overheated.

Same here... Received a call which dropped and got this "iPhone needs to cool down before it can be used" black screen of death.. For a moment, I thought it was a virus! Lol.. Nevertheless the phone was cool and just pulled it right out of my belt holster. I am using the popular "Body Glove" clear back case and had the phone for at least 2 months. OK Apple- once again, step up to the plate and admit the problem and begin the recall.

I just got this message today - the phone was cool, it rang, message about "cannot be used until it's cooled down" and a yellow triangle with excalantion...

I've noticed too that in recent days the iP4 has been experiencing poor performance.

Issue here is that we don't have Apple stored, just resellers, so I've no idea where to take it really...