: In Settings > Developer Options , toggle OEM Unlocking and USB Debugging to ON.

: Power off the phone. Hold Volume Up + Volume Down and connect it to your PC. On the blue warning screen, long-press Volume Up to enter the unlock menu, then press Volume Up again to confirm.

The phone will wipe and reboot. You must finish the initial setup and connect to Wi-Fi to ensure "OEM Unlocking" remains visible and grayed out in Developer Options.

To root a on Android 10 with Binary 4 (U4) , the standard and safest method is to use Magisk to patch your specific firmware's AP file . Using pre-made "root files" from unofficial sources is risky and can lead to bootloops or permanent device damage. Prerequisites & Downloads Backup Data : This process will factory reset your device.

: Go to Settings > About Phone > Software Information and tap Build Number 7 times.

: Download the exact Android 10 U4 firmware for your region (e.g., from SamFW ). Tools : Magisk APK . Odin Tool for PC. Samsung USB Drivers installed on PC. Phase 1: Unlock the Bootloader