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Old 11-11-2023, 11:59 AM   #16
grzesiek123
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I just downgraded the PW5-8GB from 5.16.2.1 to 5.14.2.
After LanguageBreak, I installed KUAL and then the downgrader extension.
After running the downgrader and rebooting, I copied the 5.14.2 firmware to the device and then did the Upgrade from the menu.
To get rid of the Register message, I had to run restore factory settings after the upgrade.
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Old 11-11-2023, 09:21 PM   #17
Donaldb
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Quote:
Originally Posted by grzesiek123 View Post
I just downgraded the PW5-8GB from 5.16.2.1 to 5.14.2.
After LanguageBreak, I installed KUAL and then the downgrader extension.
After running the downgrader and rebooting, I copied the 5.14.2 firmware to the device and then did the Upgrade from the menu.
To get rid of the Register message, I had to run restore factory settings after the upgrade.
On 8GB it may be possible as it's done by you, but on 16GB version released last September I could only go as low as 5.14.3.0.1 which is default firmware.
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Old 01-07-2024, 11:46 PM   #18
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Quote:
Originally Posted by Donaldb View Post
On 8GB it may be possible as it's done by you, but on 16GB version released last September I could only go as low as 5.14.3.0.1 which is default firmware.
Jumping in super late to the topic, but can you provide any details about what happened when you tried to downgrade to 5.14.3.0.1? Any errors etc?

I'm researching how possible it is to downgrade a PW5 from 5.16.x to 5.14.2. The firmware page seems to indicate that the PW5 does have a 5.14.2 firmware update available:
https://wiki.mobileread.com/wiki/Kindle_Firmware
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Old 01-09-2024, 06:18 PM   #19
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Sorry to double post!
Adding an update here, I was able to successfully downgrade my PW5 from 5.16.2.1.1 to 5.14.2!

I had to do this over SSH via USB, as the KUAL Downgrade didn't work for me on 5.16.x. I've learned a lot has been broken in 5.16.x, which was the primary reason I wanted to downgrade in the first place. Huzzah!
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Old 02-13-2024, 09:51 PM   #20
ryanwaldroop
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Originally Posted by KetchupCider View Post
Sorry to double post!
Adding an update here, I was able to successfully downgrade my PW5 from 5.16.2.1.1 to 5.14.2!

I had to do this over SSH via USB, as the KUAL Downgrade didn't work for me on 5.16.x. I've learned a lot has been broken in 5.16.x, which was the primary reason I wanted to downgrade in the first place. Huzzah!
Help! How? I was able to jailbreak and downgrade my new 16GB PW5 from 5.16.2.1 to 5.14.3.0.1 by changing versions.txt to 001-juno_14030001_malbec_bellatrix-378310 and then I could SCP the .bin and reboot and it worked, but I can't downgrade further to 5.14.2 to get rid of the "Cloud not Available" error.

When I downgraded to 5.14.3.0.1 I was able to factory reset and run the hotfix to re-gain root and can still SSH over USB.

So when you say you downagraded over SSH, what command did you run? Thanks!
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Old 02-14-2024, 06:03 AM   #21
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In order to downgrade Kindle firmware, your Kindle has to be jailbroken.
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Old 02-14-2024, 09:15 AM   #22
ryanwaldroop
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Originally Posted by JSWolf View Post
In order to downgrade Kindle firmware, your Kindle has to be jailbroken.
Yeah, pretty much everyone in this thread is talking about jailbroken kindles.

Last edited by ryanwaldroop; 02-14-2024 at 09:19 AM. Reason: Too mean. Sorry.
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Old 02-14-2024, 10:07 AM   #23
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Never buy a Kindle expecting to jailbreak it. You may have to use it as is.
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Old 02-14-2024, 12:11 PM   #24
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OK, I wrote this and deleted it earlier, but I can't help it now. I may have just joined this forum, but I've been visiting since I got my first kindle in 2008. You have over 73,000 posts and I've seen you around a lot. And you have yet to say anything helpful or constructive. Read the thread. Everyone is talking about kindles that have already been jailbroken. My kindle is jailbroken. I want to downgrade the software. I don't want your opinions about using Amazon's software as is. If it works for you, great. If you don't have any advice on downgrading a PW5, just say so. Or better yet, keep it to yourself.
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