Software is looking for a different USB interface mode.
Before diving into the drivers, it is important to understand the tool itself. Easy JTAG is a specialized hardware box used primarily for repairing dead mobile phones. Unlike standard flashing boxes that communicate via USB ports on the phone, Easy JTAG communicates directly with the phone’s internal memory (eMMC or eMCP chips). easy jtag cdc driver 64 bit
Open your Easy JTAG software. It should automatically detect the box. If the software expects a specific COM port, go to Device Manager → Ports (COM & LPT) – you will see “USB Serial Device (COMx).” Software is looking for a different USB interface mode
Power management settings or driver conflict. Unlike standard flashing boxes that communicate via USB
Why? Because older versions of the driver were designed for 32-bit systems. As Microsoft pushed Windows 7, 8, 10, and 11 (all predominantly 64-bit), the original drivers either refused to install or caused the infamous “driver signature error” (Code 52). This article dives deep into everything you need to know about the 64-bit CDC driver for Easy JTAG—what it is, where to find a genuine version, how to install it step by step, and how to fix common errors.