Go to and tap Build Number 7 times until you see "You are now a developer."
Navigate to your internal storage and select the boot.img file you transferred. tecno spark 8c root
Go to Settings > About Phone and note down your exact Build Number. You must download the matching stock ROM (firmware) for that specific build. Phase 1: Enable Developer Options and OEM Unlocking Go to and tap Build Number 7 times
Note: Your device will now factory reset and reboot into the initial Android setup wizard. Complete the setup and re-enable Developer Options and USB Debugging. Phase 3: Patch the Stock Boot Image via Magisk tecno spark 8c root
Using the wrong firmware version for your specific build number can permanently damage (brick) your phone. Step 1: Enable Developer Settings