How to change my e-mail account?
Please follow the steps below: Step 1: Back up your important data. Step 2: Press Ctrl+Alt+T. Step 3: Enter shell. Step 4: Enter sudo su-. Step 5: Enter echo ‘clobber’ | sudo tee /mnt/stateful_partition/.update_available
sudo reboot。 Step 6: Wait for the reboot and enter the OOBE. In OOBE you can register or log in again.