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The LG K40 has anti-theft and may affect how you are able to master reset the device.




To turn anti-theft off, you must remove any Google and Gmail accounts assigned to the device.


  1. From your apps list, tap Settings > General > Accounts.
  2. Tap the Google/Gmail email account assigned to the device.
  3. Tap Remove account > REMOVE ACCOUNT.
  4. Repeat for any remaining Google/Gmail accounts on the device.

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