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Old 10-11-2020, 12:42 PM   #940
chaley
Grand Sorcerer
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Posts: 12,499
Karma: 8065348
Join Date: Jan 2010
Location: Notts, England
Device: Kobo Libra 2
Quote:
Originally Posted by JimmXinu View Post
I believe it is assigned by Calibre.

I have no idea how you'd change it in an existing CC install, or if it would be safe to do so. chaley?
There is no mechanism in CC or the calibre wireless device driver to change the UUID. After all, it isn't supposed to be changed.

The only way I know to get a new UUID is to reset CC, either by uninstall and reinstall or in Android Settings / Apps / Calibre Companion / Clear Storage. Both do the same thing -- completely reinitialize CC, including CC's book database. You should be able to recover the book database and the Formats & Folders settings. You must not restore the CC settings because that will restore the UUID.

The steps should be:
  1. In CC, go to Settings / Backup and restore and do a backup choosing all three items.
  2. Make a note of all the CC settings you want to keep. In your case the other device might be the best source for this.
  3. In Android, go to Settings / Apps / CC and clear storage. Exactly how you do this depends on which version of Android you have.
  4. Start CC. You will have an empty library.
  5. In CC, go to Settings / Backup and restore and restore the settings and storage folder locations.
  6. Reapply the other settings you want.
  7. Connect to calibre as a wireless device. A new UUID will be set.
  8. For completeness, disconnect and reconnect.
  9. You should now be able to add the device in RL.
Although I know no reason this won't work, I cannot guarantee that it will.
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