A report that might be useful for some people looking to downgrade/jailbreak their paperwhite running 5.8.11: while some people might be lucky, I just bricked a device on 5.8.11 (3243010037) trying to downgrade to 5.7.4 factory. I don't know if I'd have had more success trying the 5.8.9.0.1 image: as I had success in the past with 5.7.4 I decided to stick to this one for this test. It's a shame that I don't remember which (unsupported, > 5.8.7) firmware I had on the other unit I downgraded with no trouble...
My conclusion would be: if you're not ready to have to unbrick your device using the serial port, don't try to downgrade even if it might have worked for some people on the same firmware version.
Last edited by datanoise; 02-27-2018 at 07:04 PM.
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