Monday 13 March 2017

Reset Gallery Thumbnails on Android

Go to the directory:
/data/data/com.androids.providers.media/databases/
and delete the file external.db. Don't touch internal.db.
To be safe you can just rename it so you can restore the file later.

Reboot and the thumbnails are all deleted. Android will recreate them after a little while, depending on how many images you have.

This worked for me on Galaxy S2 with custom ROM.

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