Switch the dropdown connection mode from Flash Mode to Diag Mode or Calibration Mode .

Only download and use tools from reputable sources to avoid malware and data loss.

Before diving into the repair process, it's essential to understand the significance of IMEI and its role in mobile phone functionality. IMEI is a 15-digit unique identifier assigned to each mobile device, and it serves several purposes:

Q: Is IMEI repair safe? A: IMEI repair can be safe if done correctly using official firmware and software. However, improper repair attempts can lead to complications.

If your baseband is unknown, an IMEI repair won't work. You must first re-flash the Modem/NVRAM files using a stock firmware flash. How to Verify the Repair Once the phone reboots, open the dialer and type: *#06#

Are you receiving any specific error messages (e.g., "NVRAM Warning")? Have you unlocked the bootloader?

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Installing incompatible firmware can erase the IMEI data.

If the IMEI is repaired but the phone shows "Emergency Calls Only":

Here is the updated procedure for 2024 using the and CM2 (Infinity-Box) methods.

Disclaimer: This guide is for educational purposes and lawful IMEI repair only. Restoring an IMEI that does not match your original device label is illegal in most jurisdictions. Always comply with local laws.

Open your Windows . Look under Ports (COM & LPT) for SPRD Diag COM Port .

Ensure these are correctly installed so your PC recognizes the phone in Preloader mode.