Fix Baseband Problem on the Redmi Note 12s SEA

Fix the Baseband Problem on the Redmi Note 12s SEA

Here is a step-by-step guide to fix the Baseband Problem on the Redmi Note 12s SEA variant, following the instructions you've provided:

⚠️ DISCLAIMER

Read this carefully before proceeding:

🔗 HalabTech Disclaimer

• IMEI repair is illegal in some countries like Syria, Turkey, and the United States.
• Always respect the laws in your country.
• This guide is only intended for restoring the original IMEI under the battery, lost due to flashing or software error.
• The author and website are not responsible for any misuse or illegal activity.

✅ Requirements

• Redmi Note 12s SEA variant
• USB Cable
• DFT PRO Tool (with active license)
• Meta Mode Drivers (installed)
• Patched CERT file (if needed)
• A backup of the original IMEI (if available)

🛠️ Step-by-Step Guide to Fix Baseband

1. Open DFT Interface

• Launch the DFT PRO Tool.

• Go to the Redmi Tab and select Redmi Note 12s SEA.

2. Make Relock BL (Bootloader)

• In the tool, click on "Relock BL".
• Let the process finish completely.
• Wait for confirmation: "Bootloader Relocked Successfully."

3. Do Unlock BL

• Now, select "Unlock BL" again from the tool.
• This ensures a fresh unlock, fixing any bootloader corruption.
• Wait until you see: "Bootloader Unlocked."

4. Remove Patch

• Click on "Remove Patch" or "Remove Old CERT Patch".
• This will delete any previously modified certificates that may be causing the issue.
• The device might reboot after this step.

5. Wipe NVRAM

• Go to the Service tab and click on "Wipe NVRAM".
• This removes corrupted network data.
• The phone will lose IMEI temporarily (normal in this process).

6. Repair IMEI in Meta Mode

• Turn off the phone.
• Connect it while holding Volume Down + Volume Up (as required for Meta Mode).
• The tool should detect the phone in Meta Mode.
• Go to IMEI Repair → Enter both original IMEIs (from the sticker under battery).
• Click "Write IMEI".
• Wait for the success message: "IMEI Write OK.

7. Repair IMEI with Patch CERT (New Method)

• Use the Patch CERT (New) option to complete the IMEI fix.
• This ensures the IMEI remains after reboot.
• Wait for: "Patch Success."

✅ Done!

• Reboot your phone.
• Check baseband status under Settings → About Phone.
• Also, verify IMEI by dialing *#06#.