: Ensure the SPD USB Drivers are installed so your PC can recognize the device in "Diag" or "Calibration" mode.

: Dial *#06# on your phone's dialer to verify the IMEI has been correctly restored. Compatible Brands

Connect the phone to the PC via USB while holding the "Boot Key" (usually Volume Down or Volume Up, depending on the model).

: Only write the original IMEI found on the device's sticker or box, as changing an IMEI to a different one is illegal in many jurisdictions. Step-by-Step Guide

This tool is commonly used for brands utilizing Unisoc/SPD chips, such as:

: The tool will display a green PASS message once the process is successful. Click Stop , disconnect the phone, and reboot it.