Quote:
Originally Posted by mergen3107
These Year-Week-Day are when approximately these firmware versions rolled out. Therefore, devices that have date of manufacturing on the box (only brand new ones, of course) have 99% chance to ship with those FWs.
I.e., I bet most of the Kindle manufactured during the week of after Aug 28,2023 (3-35-X) already have 5.16.3+, which makes current JB methods useless.
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It is frequently weeks or even (a few) months after firmware release that new kindles have that firmware.