Maui Meta is the official service tool used by manufacturers for IMEI calibration. It communicates with the device in "Meta Mode," making it the most stable choice for a permanent fix. Clean, official-style repairs.

A tiny app with a GUI for changing IMEI temporarily on rooted MTK and Qualcomm phones. Not permanent – resets after reboot unless NVRAM is saved.

Type the 15-digit IMEI numbers found on the sticker under your battery or on the original box.

Popular free tools include:

For phones that don’t enter Meta Mode easily, SN Write Tool uses or Preloader Mode .

Dial *#*#3646633#*#* > Connectivity > CDS Information > Radio Information > Phone1 > AT+EGMR=1,7,"IMEI_1" (write command).

, are generally effective for fixing "invalid" or "null" IMEI issues caused by software corruption during flashing or rooting. Performance & Effectiveness Accessibility

In the world of mobile phone repairs, few issues are as frustrating as a "Null IMEI" or "Invalid IMEI" problem on a MediaTek (MTK) Android device. Your IMEI (International Mobile Equipment Identity) is a 15-digit unique code that identifies your phone to cellular networks. When it goes missing, your phone becomes a glorified tablet—no calls, no texts, no mobile data.

support a wide range of chipsets, including newer V6 protocols, though these may require specific "preloader" or "BROM" mode connections. Key Risks & Limitations