Mobileread
PW4 Downgrade an already jailbroken Paperwhite?
#1  kittwalker 11-26-2022, 02:37 PM
I've already JB'd by Kindle Paperwhite 10th Gen on 5.14.2 using the WatchThis method, back in May. My 100% sole reason to jailbreak was for custom screensavers, which I've got running grand.

But during the WatchThis jb, something happened with my Goodreads integration, meaning I can no longer update my reading progress with the share > Goodreads option. It's a small feature, I know, and I'm likely one of like 8 people that use it. But I like it, and I'm used to it.

So, my question is, since my PW is already jailbroken, can I downgrade the firmware with the goal of using a fresh jailbreak meant for an older firmware, so that the Goodreads integration still works?

Or is that a silly / unfeasible plan? Or is there a fix for the goodreads thingy? Or a KUAL for Goodreads ( or even Storygraph, so I can de-amazon my Kindle as much as I can )?

Any help or advice would be much appreciated!
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#2  NiLuJe 11-27-2022, 03:31 AM
This vaguely rings a bell, but I don't remember if a workable solution was ever reached. You might want to go digging in the original WatchThis thread?

(For the GoodReads thing, I mean. A downgrade is doable, but should not be done lightly. IIRC there's a somewhat recent thread on that for current devices... somewhere ;o)).
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#3  j.p.s 11-27-2022, 02:42 PM
Quote NiLuJe
A downgrade is doable, but should not be done lightly. IIRC there's a somewhat recent thread on that for current devices... somewhere ;o)).
Here:
https://www.mobileread.com/forums/sh...d.php?t=347165

And I think a re-jailbreak is probably not needed, but reinstall of packages is.
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#4  buyifan43 12-09-2022, 05:31 AM
on jailbroken pw4 it's possible to use the "diags firmware" to downgrage to any version of firmware and you can try to use it to downgrade to a jailbrokable (is that the correct word?) version and do the jailbreak use the old method instead of the WatchThis method
be aware that I 've only done this once downgrading from 5.13.6 to 5.12.4, and I don 't know what will happen if on newer version ,so be careful.
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#5  szabio 12-28-2022, 02:17 PM
I was wondering what happens if one puts an older fw in the root and restarts the device? It simply ignores and removes it?
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#6  NiLuJe 12-28-2022, 02:36 PM
Yup, the updater throws an error and reboots.
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