Before attempting any method, back up your current NVRAM and NVDATA partitions using tools like SP Flash Tool or MTK Droid Tools. Method 1: Using MTK Engineering Mode Codes (No PC)
If the AT command method fails, a more powerful PC-based solution is the , which is an official MediaTek utility. This tool can directly write the IMEI and other serial numbers to the device's NVRAM. mt6580 imei repair code
Type the command for the second SIM slot: AT+EGMR=1,10,"YOUR_15_DIGIT_IMEI_2" Ensure the space is included: AT +EGMR=1,10="..." . Tap the button. Step 4: Finalise the Repair Exit the Engineer Mode application. Restart your smartphone immediately. Before attempting any method, back up your current
: A reliable, lightweight factory application that requires firmware DB files to reconstruct null or corrupted parameters. Before attempting any method