Supports older Spreadtrum processors (SC7731, SC9832) as well as newer Unisoc platforms. Prerequisites Before Using the Tool
Before writing anything, click and save the .bin file to a safe location. If something goes wrong, you can restore the original (corrupted) state. Spreadtrum Imei Tool V4.1
: Unlike consumer apps, this tool often requires specific drivers and the device to be in a "Diagnostic" or "Calibration" mode to establish a connection. Common Use Scenarios : Unlike consumer apps, this tool often requires
Click Write or Start . Follow the on-screen prompts (such as powering off the phone or connecting it via USB) and wait for the "PASS" message. This indicates a driver conflict or incorrect boot
This indicates a driver conflict or incorrect boot key sequence. Open the Windows Device Manager and check the ports section. Ensure the device appears as "SPRD U2S Comfort Port" without a yellow warning triangle. Write Failed Error
Compatible with legacy SC-series chips and modern Unisoc platforms.
The Spreadtrum IMEI Tool V4.1 is a specialized Windows utility designed for servicing Android devices powered by Spreadtrum (now Unisoc) processors. It allows technicians to repair or write International Mobile Equipment Identity (IMEI) numbers. This is necessary after firmware corruption, NVRAM data loss, or motherboard replacements. Key Features of Version 4.1