works for MT6580 IMEI repair on locked/unrooted stock ROMs. The AT+EGMR code inside Engineer Mode is your best dialer-based option — but only after rooting. For reliable results, use Maui META or SN Writer on a Windows PC. Avoid “IMEI repair apps” from unknown sources — most are scams or malware on this platform.
This should display the 15-digit numbers you just programmed. If it still says "Unknown" or "Null," you may have a hardware baseband issue or require a full firmware re-flash. mt6580 imei repair code
A: You likely lost your NVRAM calibration data (RF parameters). Run the CDS information reset in Engineer Mode, or reflash the original modem firmware. works for MT6580 IMEI repair on locked/unrooted stock ROMs
: Go to the Connectivity tab and select CDS Information . mt6580 imei repair code