Step 6: Confirmation page will open then click on the Wipe to reset.
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Step 7: After clicking on wipe your device will turn off and it will start wiping your all data including all Patter/Pin/Password. This process will take time so be patient, after wiping all data device will reboot into initial setup.
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You are done! You can also use this method to wipe your device if you lost your device!