Full Guide to Flashing KernelSU Boot Image for Samsung Devices

1. Prepare Your Environment

• Backup: Flashing the kernel or boot image may erase all data, so backup important data before proceeding.
• Install Required Tools: Install ADB, Fastboot, Odin, and the necessary USB drivers for your device.

2. Fastboot Method (For Devices Supporting Fastboot)

Requirements:

• ADB & Fastboot Tools: Download and install ADB & Fastboot.
• KernelSU Boot Image: Download the appropriate boot image for your device. For example:beyond0lte-ksu-next_v1.0.2.img (for beyond0lte)
• d1-ksu-next_v1.0.2.img (for d1)
• f62-ksu-next_v1.0.2.img (for f62)
• etc.

Steps:

1. Enable Developer Mode on Your Device:
2. Go to Settings > About phone.
3. Tap on Build Number several times until it says "You are now a developer."
4. Enable USB Debugging:
5. In Settings > Developer Options, enable USB Debugging.
6. Reboot into Recovery Mode:
7. Power off your device.
8. Hold Volume Up + Power buttons simultaneously to boot into Recovery Mode.
9. Once in Recovery Mode, select Advanced from the options and then choose Fastboot Mode.
10. Verify Fastboot Connection:
11. Connect your device to your PC via USB.
12. Open a command prompt or terminal window on your PC.

Type the following command:
fastboot devices

1. If your device appears, you're good to proceed.
2. Flash the KernelSU Boot Image:
3. Ensure you have the correct boot.img for your device.

Flash the boot image using this command (replace /path/to/boot.img with the actual path to your boot image):
fastboot flash boot /path/to/boot.img

1. Reboot Your Device:

After the flashing is done, reboot your device:
fastboot reboot

3. Odin Method (For Samsung Devices)

Requirements:

• Odin Tool: Download the latest version of Odin.
• KernelSU Boot Image: The kernel image must be renamed to boot.img and then compressed into .tar format for Odin to flash it.

Steps:

1. Enable Developer Mode on Your Device:
2. Go to Settings > About phone.
3. Tap on Build Number multiple times until it says "You are now a developer."
4. Enable USB Debugging:
5. In Settings > Developer Options, enable USB Debugging.
6. Reboot into Download Mode:
7. Power off your device.
8. Hold Volume Down + Bixby + Power buttons simultaneously.
9. When prompted, press Volume Up to enter Download Mode.
10. Connect Your Device to PC:
11. Connect your Samsung device to your PC using a USB cable.
12. Rename and Compress the KernelSU Boot Image:
13. Rename the Boot Image:Rename the KernelSU boot image (e.g., beyond0lte-ksu-next_v1.0.2.img) to boot.img:Right-click the beyond0lte-ksu-next_v1.0.2.img file, select Rename, and change it to boot.img.
14. Compress the Boot Image to .tar:Windows: Use 7-Zip or WinRAR.
15. Right-click the boot.img file, select Add to archive in 7-Zip, and set the archive format to .tar.
16. This will create a boot.tar file.
17. Launch Odin:
18. Open Odin on your PC.
19. Your device should appear as a blue box in Odin if it’s properly connected.
20. Load the KernelSU Boot Image (Now in TAR Format):
21. In Odin, click on the AP button (or PDA depending on your Odin version).
22. Select the boot.tar file (the renamed and compressed KernelSU boot image).
23. Start Flashing:
24. After the file is loaded, click Start to begin flashing.
25. Wait for Odin to complete the process. A PASS message will appear when flashing is successful.
26. Reboot the Device:
27. After Odin shows the PASS message, your device will automatically reboot.

4. After Flashing

• Verify Root Access: After the device reboots, check whether the KernelSU root is installed properly using apps like Root Checker.
• Device Management: Install apps like KernelSU Manager to manage root access.
• You must use this kernelSU manager just install the latest version from here https://github.com/rifsxd/KernelSU-Next/releases
• You can install this module here to hide root access also https://github.com/sidex15/ksu_module_susfs/releases/download/v1.5.2-R11/ksu_module_susfs_1.5.2.zip

Important Notes:

• Correct Image Selection: Always ensure you're flashing the correct boot image for your specific device model (e.g., beyond0lte, d1, f62).
• Risk of Bricking: Flashing a boot image that is not compatible with your device model may brick your phone or cause boot loops. Always verify the image before flashing.
• Warranty: Flashing custom images can void your device’s warranty, so proceed with caution.