Depending on the specific device and the complexity of the issue, several tools are widely used in 2026:
AT+EGMR=1,7,"123456789012345" (for SIM1)AT+EGMR=1,10,"123456789012345" (for SIM2)OK confirms write.On many MTK phones, you can access a hidden menu to manually update the radio information. Stack Overflow mtk feature phone imei repair tool
Technicians and DIY users generally find these tools effective because they operate in "Meta Mode" or "AT Mode," allowing direct hardware interaction via a USB connection. Depending on the specific device and the complexity