Spreadtrum Imei Tool V4.1 -

It can repair IMEI 1 and IMEI 2 for dual-SIM devices.

The device typically needs to be in Diagnostic (Diag) mode. This often requires holding specific volume buttons while connecting to a PC. Configure Settings: Launch WriteIMEI.exe . Spreadtrum Imei Tool V4.1

Unlike professional service boxes, this software-only solution can often be used for free. How to Use the Tool It can repair IMEI 1 and IMEI 2 for dual-SIM devices