VIVO Y55a and Y55 Security Repair (IMEI) Without Downgrade - FREE

Vivo Y55A & Y55 Security Repair Without Downgrade: A New Method

Users of the Vivo Y55A and Y55, have fun! A fresh technique for fixing security issues without requiring a downgrade may help you save money and time. This method fixes security flaws without changing the software version on your device by using UMT QcFire and UMT GSM Tool.

Here's how to perform the Vivo Y55A & Y55 Security Repair Without Downgrade:

1. Prepare your Tools:

• Ensure you have the following tools downloaded and installed:
  • UMT QcFire
  • (UMT)Ultimate Multi Tool GSM Version

2. Flash NonHOS.bin File:

• Open UMT QcFire and navigate to the "Advanced Flasher" menu.
• Click the "Connect" button and wait for the tool to recognize your device.
• All partition files should be displayed in the tool.
• Select only the "Modem" file and choose the provided "NonHOS.bin" file.
• Click the "Write" button and wait for the flashing process to complete. Your device will automatically reboot.

3. Enable Debugging Port:

• Exit UMT QcFire and launch "(UMT)Ultimate Multi Tool GSM Version".
• On your Vivo Y55A/Y55, open the Dialpad and dial "*#558#".
• Enable the "Debugging Port" option in the menu that appears.

4. Connect and Repair IMEI:

• In the UMT GSM Tool, click the "Scan Port" button and select the port associated with your connected device.
• Navigate to the "VIVO" section and choose the "IMEI Repair" option.
• Enter the original IMEI number that came with your device.
• Click the "Repair" button and wait for the process to finish. Your device will reboot automatically.

• Download: NON-HOS.BIN File