Samsung galaxy note 7 User Manual page 314

To reset your device:
1. From home, tap Apps
2. Tap Backup and reset.
3. Tap Factory data reset.
4. Tap Reset device and follow the prompts to perform the reset.
5. When the device restarts, follow the prompts to set up your device.
Note: Unless you removed all Google Accounts from the phone before performing the Factory data reset,
you will need to sign in to the Google Account that was previously assigned to the phone to complete
setup.
Personal Settings
> Settings > Cloud and accounts .
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