To ensure your PC recognizes the device in "Download Mode" or "Flash Mode," you typically need two types of drivers: Samsung USB Driver for Mobile Phones: The base driver for general connectivity. Spreadtrum (SPD) Driver:

According to community guides found on platforms like GSMForum, the procedure generally follows these steps:

While there isn't a single "essay" published on GSMForum regarding the Samsung B310E (Guru Music 2)

: Allows the PC to recognize the phone as a storage device or modem. 2. Flashing and Unlocking (GSMForum Resources) The Samsung B310E uses a Spreadtrum (SPD) chipset. If you are using tools like GSM Aladdin Infinity-Box mentioned on forums like GSMForum.su , you must install specific Spreadtrum drivers: Infinity-Box Spreadtrum USB Drivers