Without these drivers, your PC will not recognize your mobile device when connected via USB, making it impossible to perform advanced tasks. They are primarily used for:
Installing or updating the stock ROM on a device using tools like Research Download. telechargement-spd-drivers-for-windwos-and-rar
Older SPD drivers might be unsigned. You may need to disable Driver Signature Enforcement in Windows settings before they will install correctly. Without these drivers, your PC will not recognize