Using SP Flash Tool with the "Format All + Download" option wipes the NVRAM partition entirely, erasing IMEI data along with it. Many forum users report this as the single most common cause of IMEI loss on MTK devices.
If you have a rooted MTK phone with a custom recovery (TWRP), you can restore IMEI using file management:
Advanced users can sometimes write IMEI data using the command fastboot oem writeimei if the bootloader allows it. Important Legal & Safety Notice mtk imei repair tool
Click or Repair . The software will show a "Success" message within a few seconds. Reboot your device normally. Important Legal and Safety Warnings
Using the MTK IMEI Repair Tool is straightforward. Here are the steps: Using SP Flash Tool with the "Format All
If you have no NVRAM backup, you may need to locate a compatible NVRAM backup from a donor device (same model, same chipset, same region). Flash that donor NVRAM, then modify the IMEI numbers to match your original IMEI. This is an advanced procedure and is not recommended for beginners.
Before proceeding, ensure you have downloaded the correct MediaTek USB VCOM drivers on your Windows PC. Charge your phone to at least 50% and use an original USB data cable. Step 1: Install Drivers and Software Important Legal & Safety Notice Click or Repair
SN Write Tool is for writing and repairing IMEI numbers. It was originally designed for factory production lines, which means it’s stable, powerful, and free.
Flashing a custom ROM that lacks proper baseband or modem firmware compatibility for your specific device variant. Top MTK IMEI Repair Tools
You are trying to use a database file from a different firmware version or processor model. Ensure the stock ROM zip file matches your device's exact model number, region, and build variant. "Write Protection / Secure Boot Error"
Free and open-source; bypasses modern SLA/DAA security protections; doesn't require complex database files.