Quote:
Originally Posted by jbaumann
It is a G000T6 PW4 model, Kindle PaperWhite 4 (2018) WiFi, 32GB.
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The last chance for PW4 was 5.13.3
https://www.mobileread.com/forums/sh...d.php?t=335590
So far, no one has been able to use the serial port to JB or downgrade firmware on a PW4 which would be the other possibility.