Big sigh of relief! I'm back to the regular diagnostic screen.
Not sure if it's something I did or it just ran out of tests, but it seems OK now.
I'm not even positive why it was stuck in that stress test loop, in the first place, as I specifically tapped "Stop test execution".
Quote:
Originally Posted by NiLuJe
Not familiar with the PW4 diags, but diags has historically required a serial connection to do most of its stuff properly... including *exiting* it  . |
I guess playing around with custom firmwares on Android phones has made me a little trigger happy.
Lesson learnt: don't mess with the Kindle's developer mode!
Thank you!