Warning: Unlocking the bootloader can void warranty, erase all data, and (if done incorrectly) brick the device. Back up important data before proceeding. This guide assumes a basic familiarity with ADB/fastboot and Windows or Linux.
Replace <UNLOCK_CODE> with the code from Huawei or third-party provider. 3. If successful, the phone will display an unlock confirmation and wipe data. Reboot:
Since the official server is down, you must use a third-party tool that logs into a test server or purchases a code for you. unlock bootloader huawei y9 prime 2019 verified
| Issue | Solution | |-------|-----------| | HCU does not detect phone | Reinstall drivers, try different USB port (USB 2.0). Disable antivirus. | | Test point method fails | Clean the test point with alcohol. Short for exactly 5 seconds – no longer. | | fastboot oem unlock returns "remote: command not allowed" | You did not enable "OEM Unlocking" in Developer Options. | | Phone shows "Your device has been unlocked and can’t be trusted" | This is normal. Press power button to continue. To remove the warning, you’ll need to re-lock the bootloader (not recommended). | | Bootloader code from HCU doesn’t work | Your model may be a variant with locked e-fuse. Try the alternate tool "PotatoNV" (only for Kirin 710 – which the Y9 Prime 2019 uses). |
This requires turning off the phone and carefully removing the back cover. You must short a specific hardware point on the motherboard to the metal shield (ground) using tweezers while plugging in the USB cable. This forces the Kirin 710 chip into "USB COM 1.0" recovery mode. Open the SigmaKey or EFT Pro software on your PC. Select the HiSilicon tab and choose the Kirin 710 platform. Set the port to the detected Huawei USB COM 1.0 port. Click on Remove Bootloader Lock or Read Bootloader Code . Warning: Unlocking the bootloader can void warranty, erase
fastboot oem get-bootinfo
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. Replace <UNLOCK_CODE> with the code from Huawei or
Release the tweezers. Check Windows Device Manager. Under the "Ports (COM & LPT)" section, you should see . If you see this, your phone is ready for flashing. Step 4: Use the Servicing Tool to Read the Unlock Code Note: This example uses the HCU Client method. Open HCU Client on your PC and log in to your paid account.