A professional dongle-based solution. SigmaKey is expensive but considered the gold standard for IMEI repair on locked or water-damaged Unisoc devices.
Before diving into tools, it is crucial to understand the why . Unisoc chips handle IMEI storage differently than competitors: unisoc imei repair tool
: This is the official and most common free utility for Unisoc chips. It allows users to write the original IMEI back to the device's NVRAM via a PC. WriteIMEI Tool (Latest Versions) A professional dongle-based solution
Once connected (you’ll see "META MODE" in the status bar), click the button (the icon looks like a SIM card with a pencil). unisoc imei repair tool