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Old 08-27-2026, 10:06 AM   #1
jimmiejacks0rn
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Smile Cannot update from koreader-kindlepw2-v2026.07.zip to koreader-kindlepw2-v2026.07.1..

Hi,

I use Koreader (koreader-kindlepw2-v2026.07.zip), I want update to v2026.07.1.

I copied the .zip to the kindle root and checked the sha256 sum:

Code:
$ sha256sum koreader-kindlepw2-v2026.07.1.zip
ea1f575c54492a2c679d128b7f3210fd7d6a87e5f5a1ff1f7a7fe2080ff68f86  koreader-kindlepw2-v2026.07.1.zip
The update process, fresh booted "kindle oasis":

- Tap on "KUAL"
- Tap on "KOReader"
- Tap on "Tools"
- Tap on "Update KOReader"

On the bottom is: "Updating to KOReader 2026.07.1..."
a few moments later:
"Failed to update to v2026.07.1 "

How can I update koreader? Is this a known bug? I use this way many years before.
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Old 08-27-2026, 10:24 AM   #2
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Try a manual update to make sure you are updating to the correct version.
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Old 08-27-2026, 10:55 AM   #3
jimmiejacks0rn
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That is the manual way:

https://github.com/koreader/koreader...#manual-update

The version is correct.
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Old 08-27-2026, 11:02 AM   #4
mergen3107
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Most probably related to the fact that update servers are currently down.

Try just downloading on PC and updating by copying and replacing files
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Old 08-27-2026, 11:43 AM   #5
jimmiejacks0rn
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The Kindle is offline. I copied the latest full release from https://github.com/koreader/koreader/releases to the device according to: https://github.com/koreader/koreader...#manual-update

Like many times before.
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Old 08-27-2026, 09:42 PM   #6
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Try manually extracting the package and replacing files in the koreader folder (overwrite)
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