The "JAF Flasher Interface" was the driver that allowed Windows XP (never Vista, rarely 7) to speak the proprietary, low-level language of the ARM-based processors inside those phones. It was a backdoor, a skeleton key, a piece of industrial espionage made consumer-grade.
Copy the FTD2XX.dll file from your JAF installation directory directly into your C:\Windows\System32 and C:\Windows\SysWOW64 folders. 2. "Box Status: ERROR" or Connection Drops jaf flasher interface driver for windows 10