How to Enable Diagnostics Mode Port In Oppo repair imei

1. Install Qualcomm Drivers.
2. Install Windows Drivers for Android Debug Bridge.
3. Enable USB Debugging and OEM Unlock via Developer Options.
4. Connect the device to the computer.
5. Dial Number *#67766776# and you're taken to the Engineer Mode screen.
6. Click the Serial Interface/PC Assistant button and the Connect Successfully message should appear.
7. Dial Number *#801#.
8. Enable Engineer Mode Toggle, Serial, Full-port switch, Rndis, diag switch, rmnet_bam switch.
9. Pop up message installing driver will appear, let the driver installing process to complete.
10. Check Ports on Windows Device Manager should be detected Qualcomm HS-USB Diagnostics 9091.
11. The next step you can fix IMEI, Baseband, backup or restore QCN files.