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Just in case anyone else hits this error when running flash_all.sh: Sending sparse 'userdata' 1/5 (765895 KB) OKAY [ 16.362s] Writing 'userdata' FAILED (remote: 'Flashing of userdata is not allowed in snapshotted state') fastboot: error: Command failed The fix is this fastboot snapshot-update cancel

How to flash Ubuntu Touch and revert back to stock Android 0. Warranties, Guarantees 1. There are none. Proceed at your own risk. If you loose data, or damage your phone, even beyond repairs, you, and only you are to blame. Please read the full guide first before doing anything with your phone. Only proceed if you think you are capable of doing each part of it. Do not proceed if you feel unsure. 2. Again, no warranties, no guarantees, that this is working for you, and that your device is usable after following this guide. 1. Assumptions 1. This guide assumes you have the