Thread: Clara HD upgrade from 4.26 to 4.38
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Old 03-27-2025, 11:39 AM   #2
JSWolf
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Posts: 79,796
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Join Date: Nov 2006
Location: Roslindale, Massachusetts
Device: Kobo Libra 2, Kobo Aura H2O, PRS-650, PRS-T1, nook STR, PW3
Quote:
Originally Posted by mimbel View Post
Hello, I would like to upgrade my Kobo Clara HD to the latest version from a patched version N: 4.26.16704 dated 10/02/2021. What method and precautions do you recommend without risking losing my data? Thanks in advance.
Plug your Kobo into the computer. No need for calibre to be running. Copy everything from the exposed partition to your computer.

Go to https://pgaskin.net/KoboStuff/kobofirmware.html and download the firmware ZIP file. UnZIP the contents to the .kobo directory on your Kobo. Eject your Kobo and it will update the firmware.

Keep the ZIP fille. Go to https://www.mobileread.com/forums/sh...d.php?t=366569 and download the path file for 4.38.23171. Then just patch your Kobo like you've done before.

That's it. Very easy.
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