Many GSMForum technicians keep a dedicated Windows 7 virtual machine (using VirtualBox or VMware) just for flashing old Samsung feature phones. USB passthrough works perfectly.
Based on discussions and resources from technical communities like GSMForum , the Samsung B310E (Guru Music 2)
Samsung B310E (Guru Music 2) requires specific USB drivers for tasks like flashing stock firmware, removing password locks, or fixing "hanging on logo" issues. Because this device uses a Spreadtrum (SPD)