Download and install MediaTek PreLoader USB VCOM Android - driver id 1108543
R3 Tools Pro - Waiting for USB Port...OK Set MediaTek PreLoader USB VCOM Port (COM22) Baud : 9600 Connected to Phone.OK Cpu : MT6582 SW: 0100 Ver : 00CA => 0xFD65820000 Set
How to install Mediatek USB VCOM drivers
Download MediaTek USB VCOM Drivers for Windows (32 & 64 bit)
MediaTek Preloader USB VCOM Drivers for MT65xx, MT67xx, and MT68xx Chipsets
MediaTek Preloader USB VCOM Drivers for MT65xx, MT67xx, and MT68xx Chipsets