Spreadtrum Imei Tool V41 Updated -

When using the Spreadtrum IMEI Tool V4.1 or any similar software, be aware of the following:

| Error Message | Cause | Solution | |---------------|-------|----------| | Device not found | Wrong port or driver issue | Reinstall drivers, try a different USB port, reboot PC. | | Write failed: Permission denied | Write protection enabled | Put phone in META mode (dial *#*#83781#*#* → META → Enable META). | | Invalid IMEI length | Less than 15 digits | Enter full 15-digit IMEI. The last digit is a checksum. | | Checksum mismatch | Invalid last digit | Use the tool's calculator auto-fix. | | Baseband still unknown after success | Corrupted modem firmware | Reflash modem bin via SPD Upgrade Tool, then rewrite IMEI. | spreadtrum imei tool v41 updated