Ok so I have an update…but you guys aren’t going to like it. I went to the Apple Store on my return date and told them about the problem and told them I’d like to try a new iPhone 15.
They ran all the diagnostics and the hardware seemed fine, so they agreed to swap the phone out only once.
So I tested this new phone 3 times so far at 4k 60. The first two times it lasted an hour before I shut it off myself. The 3rd time it lasted 2 hours and 20 minutes before I shut it off myself. This last test was also on maximum brightness for a real stress test.
So ya not sure what to think. I’m glad the issue seems to be gone but I’m still afraid it may rear its ugly head again.
Also I did all 3 tests with my phone naked.
When I had my previous 15 I did all the tests with my cheap spigen $12 case. I am now wondering if the case was causing some sort of problem? I am kind of afraid to test it with the case on lol I don’t want to mess it up I kind of just want to get a different case.
I will do two more tests and if they both last over an hour I will consider the phone to be fine.
My first 15 pro max failed at 14 minutes the first time I recorded 4k60. Then 12 minutes the second time. Then it made it an hour the 3rd time. Then 35 minutes the next time.
So this phone is clearly an improvement, but ya I wish I could get the old phone back so I could test it without a case.