Mi 9T/k20 (Davinci) — Dual SIM Hardware Method

A hardware-based solution for enabling Dual SIM functionality on Xiaomi Mi 9T (Davinci).

Required Steps

1. Backup EFS & QCN
Before starting, take a complete backup of the device’s original EFS and QCN. Keep these backups safely in case they are needed for restoration.

2. Wipe EFS
After taking the backups, perform an EFS wipe.

3. Hardware Resistance Modification
Replace the resistance shown in the provided hardware picture.

➡️ Replace it with a 10KΩ resistance.

Make sure the correct component is modified according to the provided image.

4. Open DFT
After completing the hardware modification, open DFT.

DFT is a required tool for this method.

5. Write Original IMEI
Put the device into DIAG Mode and write the original IMEI.

⚠️ Always use the device's original IMEI.

6. Network Repair
Finally, perform Network Repair using the DFT Network Repair files.

⚠️ IMPORTANT

The DFT Network Repair files are REQUIRED for this method.
Do not use random or incompatible network repair files, as the procedure may not work correctly.

Final Result

After completing the hardware modification and software procedure correctly, the Mi 9T (Davinci) can be configured for Dual SIM operation.

Always take backups before modifying EFS or performing hardware changes. Proceed carefully and verify every step before writing data to the device.