Xiaomi Redmi Note 9 (Merlin) Bootloader unlocked successfully done by Hydra Tool
11. Run Hydra MTK Module and choose Sosc.
2. Choose Brand and Module.
3. Tick "Auto Broom Exploit" and "Enable UBL Loader"
4. Go to "Service"->"Tool" Tab.
5. Choose "Bootloader"
6. Choose "Unlock Bootloader" from drop down menu.
7. Click on "Execute"
8. Connect the computer to the USB data cable
9. Wait until the process is complete.
2. Choose Brand and Module.
3. Tick "Auto Broom Exploit" and "Enable UBL Loader"
4. Go to "Service"->"Tool" Tab.
5. Choose "Bootloader"
6. Choose "Unlock Bootloader" from drop down menu.
7. Click on "Execute"
8. Connect the computer to the USB data cable
9. Wait until the process is complete.
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Dipendra Pathak