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Signature verification failed #12606 (MINI/MINI+)

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Last updated 15 days ago
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PLDEESITFR

What happened?

When trying to install non-official firmware, the screen shows "Firmware signature verification failed! Only official signed firmware can be flashed.".

Error name: Signature verification failed

Error code: #12606

The printer has detected the attempt to flash a firmware that does not have the private key signature that verifies the firmware as being official.

How to fix it?

The Original Prusa MINI/+ in its factory state only accepts official firmware. In order to flash a custom firmware, you need to break the appendix on the Buddy board. See how to do that here.

Note that breaking the appendix will void your warranty.
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