KT3 jailbreak advice for a newbie

matula · 03-31-2025, 05:23 PM

it's a bit selfish to open a separate topic for this; i hope you don't mind. i'm not a regular on the forum, and the last 3 years seem to have many new jailbraking techniques available which weren't before. i have used this kindle for 7 years now and it has never been online. the firmware is 5.9.2.0.1 and this is what it came with, but at the time it just wasn't possible to jailbreak from this version. serial number starts with G000 K905. I'm pretty happy with it, but would like to try KOReader for the ability to turn the text upside down in portrait mode so the power button is on the top. it's the only feature i'm missing. could you point me in the right direction? i'm technical enough to follow a tutorial, but the thing is picking the right one to follow? (without an afternoon of forums reading) wouldn't want to mess it up, it's my favourite electrical device of any kind. it's as close to the perfect device as it gets for me. it's still fast. the paperwhite i had and lost before was much slower and 167 ppi is enough for me at 90-110 cm viewing distance.

j.p.s · 03-31-2025, 08:43 PM

KindleBreak is one of the easiest jailbeaks to install.
https://www.mobileread.com/forums/sh...d.php?t=338268

You would have to upgrade to at least 5.10.3 through as high as 5.13.3 except 5.12.2.2.2 which should not be installed. I can never remember or describe how to get a specific old firmware version, but quite a few people at mobileread can.

if you don't like 5.10.3 compared to earlier firmware, you can then downgrade to a lower version. 5.9.6 added some nice features.

DNSB · 03-31-2025, 10:52 PM

The last firmware for a Kindle 8th gen was 5.16.2.1.1 which is jailbreakable with WinterBreak if you wanted to go for that version.

03-31-2025, 05:23 PM	#1
matula Junior Member Posts: 6 Karma: 46 Join Date: Sep 2007 Device: kt3	jailbreak advice for a newbie it's a bit selfish to open a separate topic for this; i hope you don't mind. i'm not a regular on the forum, and the last 3 years seem to have many new jailbraking techniques available which weren't before. i have used this kindle for 7 years now and it has never been online. the firmware is 5.9.2.0.1 and this is what it came with, but at the time it just wasn't possible to jailbreak from this version. serial number starts with G000 K905. I'm pretty happy with it, but would like to try KOReader for the ability to turn the text upside down in portrait mode so the power button is on the top. it's the only feature i'm missing. could you point me in the right direction? i'm technical enough to follow a tutorial, but the thing is picking the right one to follow? (without an afternoon of forums reading) wouldn't want to mess it up, it's my favourite electrical device of any kind. it's as close to the perfect device as it gets for me. it's still fast. the paperwhite i had and lost before was much slower and 167 ppi is enough for me at 90-110 cm viewing distance. Attached Thumbnails

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03-31-2025, 08:43 PM	#2
j.p.s Grand Sorcerer Posts: 5,786 Karma: 103362673 Join Date: Apr 2011 Device: pb360	KindleBreak is one of the easiest jailbeaks to install. https://www.mobileread.com/forums/sh...d.php?t=338268 You would have to upgrade to at least 5.10.3 through as high as 5.13.3 except 5.12.2.2.2 which should not be installed. I can never remember or describe how to get a specific old firmware version, but quite a few people at mobileread can. if you don't like 5.10.3 compared to earlier firmware, you can then downgrade to a lower version. 5.9.6 added some nice features.

03-31-2025, 10:52 PM	#3
DNSB Bibliophagist Posts: 46,181 Karma: 168983734 Join Date: Jul 2010 Location: Vancouver Device: Kobo Sage, Libra Colour, Lenovo M8 FHD, Paperwhite 4, Tolino epos	The last firmware for a Kindle 8th gen was 5.16.2.1.1 which is jailbreakable with WinterBreak if you wanted to go for that version.