This blog post provides a guide for using verified tools to format and reset devices powered by the Spreadtrum (SPD) SC6531E chipset, commonly found in budget feature phones like the Nokia 105 (2019).
Conclusion
Firmware/Configuration Reset
Recommendations
CM2 (Infinity-Box): Highly regarded by professionals for its SCR (Spreadtrum) tool module. How the Formatting Process Works spd 6531e format tool verified
Driver Installation: You must install the Spreadtrum/SPD USB Drivers to ensure your PC recognizes the device in "Download Mode".
SPD 6531E Format Tool Overview
5.4. Coverage and results