After unlocking, you can:
: Enabling "Developer Options" by tapping the Build Number seven times in settings.
(Optional but recommended) Remove your Google and Samsung accounts to prevent Factory Reset Protection (FRP) issues. Step 2: Enter Unlock Mode Power off your device completely. USB data cable to your PC (but not yet to the phone). Press and hold Volume Up + Volume Down simultaneously.
Before touching a single setting, ensure you have the following:
The device will no longer receive automatic over-the-air software updates. You must flash updates manually. Step 1: Crucial Prerequisites and Preparation
