❌ Outdated – Many tools haven’t been updated since 2018–2020
❌ Limited to older keypad phones – Does not work on modern smartphones (especially Qualcomm or newer MTK with security)
❌ False positives in antivirus – Tools often flagged as malware (due to low-level driver access)
❌ Driver conflicts – Requires disabling driver signature enforcement (Windows 10/11)
❌ No guarantee – May not work on phones with locked bootloader or secured NVRAM
❌ Poor UI/English translation – Some buttons are Chinese-only
The underlying principle is simple: establish a low-level connection with the phone’s processor and overwrite the corrupted IMEI partitions.
When you dial *#06# and see "IMEI: Blank," "Invalid," or "000000000000000," your phone is effectively a mini tablet (Wi-Fi only on a cellular device).
The IMEI is a unique 15-digit number used to identify a device on a mobile network. If a phone displays "Invalid SIM," "Emergency Calls Only," or shows a generic IMEI such as 135790246811222, the device cannot connect to a cellular network.
On China keypad phones, this issue often arises due to:
