If the dialer codes do not open the Engineer Mode menu, or if the AT commands return persistent errors, the device's firmware may have blocked direct engineering access. In such cases, specialized PC software must be used. SN Writer Tool (Official MediaTek Tool)
Interfacing with the CDS info or NVRAM structures carries a risk of hard-bricking the cellular modem. Always back up existing NVRAM partitions using a custom recovery tool before making modifications.
Swipe across the tabs to find "Connectivity." mt6580 imei repair code
For a more user-friendly graphical approach, you can use dedicated apps and PC software. is an Android app that provides a shortcut to the MTK Engineer Mode. By installing it, you can bypass dialing codes and directly access the CDS Information > Radio Information menu to input the AT commands described in Method 2 .
If this failed, the backup plan was using a stock scatter file from the original Tecno ROM. If the dialer codes do not open the
The is a common 32-bit SoC found in many budget Android phones (e.g., from Tecno, Infinix, Itel, and older Samsung or Xiaomi devices). Losing IMEI numbers leads to “no network/service” errors. Repair methods typically use engineering codes , engineering mode (MTK Engineer Mode) , or PC tools (Maui Meta, SN Writer, Meta Mode) .
Critical Formatting Tip: Ensure there is a single space right after "AT+". It must look exactly like AT +EGMR=1,7="..." on many MT6580 firmwares, or the system will reject it. Always back up existing NVRAM partitions using a
If your device is powered by the MT6580 chipset, follow these steps to manually write your original IMEI back to the hardware:
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.
Type the following command exactly as shown: AT+EGMR=1,7,"YOUR_15_DIGIT_IMEI_1"