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Old 08-08-2021, 05:17 PM   #1
khitan
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Does the factory jailbreak still work?
I'm considering buying a Kindle Oasis (or maybe a PW4) and jailbreaking it to have some fun with Linux.

Is the factory jailbreak still possible to do with a new Oasis or PW4?

Thanks!
- khitan
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Old 08-08-2021, 06:37 PM   #2
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Yes and no. The jailbreak still works so long as your device is under 5.13.3. However, newer devices fresh from the factory tend to be updated to a later firmware (at least that's what I'm hearing).

Unless you can guarantee buying an old stock, a few people have recommended a kobo for all your tinkering needs.
Last edited by 0x6c616d70; 08-08-2021 at 06:39 PM.
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Old 08-10-2021, 02:34 PM   #3
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If necessary, could I do the serial jailbreak on a new Oasis?
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Old 08-10-2021, 02:55 PM   #4
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If necessary, could I do the serial jailbreak on a new Oasis?
No one has been able to open a KOA2 or KOA3 without breaking it.
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Old 08-12-2021, 01:25 AM   #5
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i did buy a PW4 from amazon in germany around 2 weeks ago and could jailbreak it without issues (KindleBreak). i don't know if it was "old stock" or not, but it worked without issues for me and had firmware 5.12.4.
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Old 08-12-2021, 11:29 AM   #6
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i did buy a PW4 from amazon in germany around 2 weeks ago and could jailbreak it without issues (KindleBreak). i don't know if it was "old stock" or not, but it worked without issues for me and had firmware 5.12.4.
You can use the information in the thread below to find the date your kindle was manufactured.

https://www.mobileread.com/forums/sh...d.php?t=338766
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Old 08-12-2021, 03:43 PM   #7
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Originally Posted by j.p.s View Post
You can use the information in the thread below to find the date your kindle was manufactured.

https://www.mobileread.com/forums/sh...d.php?t=338766
that's cool, didn't knew / saw that - thanks!
i currently don't have the perl interprer installed so i looked into the source of the script manually, seems my Kindle Paperwhite is from 2018 even though i bought it just around 2 weeks ago.

"G0016T - Twilight Blue Kindle PaperWhite 4 (2018) WiFi, 8GB"
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Old 08-12-2021, 04:07 PM   #8
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that's cool, didn't knew / saw that - thanks!
i currently don't have the perl interprer installed so i looked into the source of the script manually, seems my Kindle Paperwhite is from 2018 even though i bought it just around 2 weeks ago.

"G0016T - Twilight Blue Kindle PaperWhite 4 (2018) WiFi, 8GB"
The 2018 is the year the model was released, not when the particular device was manufactured. To determine manufacture date, you need digits 9, 10, 11, and 12 from the serial number.
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Old 08-12-2021, 04:24 PM   #9
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The 2018 is the year the model was released, not when the particular device was manufactured. To determine manufacture date, you need digits 9, 10, 11, and 12 from the serial number.
Prefix: G0016T
Model: Twilight Blue Kindle PaperWhite 4 (2018) WiFi, 8GB
Made: 20x1 Week 5 Day 1

couldn't edit that in my last post since it was already older than 5 minutes when i got that info so i didn't wanted to double post. but i don't know how to interpret the "Made" part. does that mean that it got produced in the 5. week on day 1 of year 2018?
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Old 08-12-2021, 05:50 PM   #10
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Prefix: G0016T
Model: Twilight Blue Kindle PaperWhite 4 (2018) WiFi, 8GB
Made: 20x1 Week 5 Day 1

couldn't edit that in my last post since it was already older than 5 minutes when i got that info so i didn't wanted to double post. but i don't know how to interpret the "Made" part. does that mean that it got produced in the 5. week on day 1 of year 2018?
Amazon only provides 1 digit for the year. Yours is 1 and the model was released in 2018, so the year of manufacture must be 2021 on the first day of the 5th week. So late January or early February, depending on how amazon numbers weeks and days.
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Old 08-12-2021, 06:05 PM   #11
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Quote:
Originally Posted by j.p.s View Post
Amazon only provides 1 digit for the year. Yours is 1 and the model was released in 2018, so the year of manufacture must be 2021 on the first day of the 5th week. So late January or early February, depending on how amazon numbers weeks and days.


so in theory this should mean that the chance is high that if op buys a paperwhite now, that he gets one with a firmware that is still jailbreakable - or?
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Old 08-12-2021, 06:59 PM   #12
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so in theory this should mean that the chance is high that if op buys a paperwhite now, that he gets one with a firmware that is still jailbreakable - or?
I would say the chance of a new kindle not being jailbreakable keeps getting higher. Since there are almost no reports of model name, firmware version, purchase date and manufacture date, we are just not going to know the risk.
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Old 08-15-2021, 01:40 AM   #13
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Well, only one way to find out!
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Old 08-18-2021, 10:20 PM   #14
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Well, only one way to find out!
Did you order one?

I'm considering getting one, and giving my KT4 to my daughter. But having it jailbroken and being able to run koreader is a must for me.
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