How to exit OnePlus Demo Mode and factory reset the device

1. Open the Demo Mode app on the OnePlus device.
2. Tap the three-dot menu in the upper-right corner to open Demo Mode Settings.
3. When prompted, enter the 4-digit code: 0110.
4. Select the "Exit Demo/Retail Mode" option.
5. Enter the 6-digit code (try 467640 as a general one  or use one from the image below).
6. The phone will automatically turn off and reset itself.

Device Reset and Regular Use

Once the reset is complete, the device will boot into its regular setup mode. You can now proceed with the standard onboarding process.