The LG G5 has anti-theft and may affect how customers are able to master reset the device. To use anti-theft, follow these steps:
- Drag down the notification bar and tap the Settings icon at the top-right.
- Tap the General tab.
- Tap Accounts & sync > Google.
- Tap on the email account assigned to the device.
- Tap the Menu icon.
- Tap Remove account.
- Tap REMOVE ACCOUNT to confirm.