install MT65xx_Preloader and QcommMtk_driver_setup

when you first installing driver you should use Auth_Bypass_Tool_V6.0.0.1+libusb-win32-devel-filter-1.2.6.0.rar/MTK_Auth_Bypass_Tool_V6.0.0.1/mtksecbypass.exe instead of mtk_bypass_rev4.exe

download files from github

• connect your phone with holding power and vol + and vol - together

  OR put phone to USB without battery, the VCOM driver will be shown in device manager

• then click reload preloader wait until phone reset the USB automatically
• then click bypass to install mtk driver automatically when phone connected on download mode.
• now you can flash the phone using SP flash tool

Rx Timeout

when you facing RX timeout while disabling auth USB, you should take off battery cable then re-insert it to reset USB configuration on the phone.

Cannot Download Firmware After Disable Auth

when you're facing cannot download firmware after disabled auth

• take off battery cable
• re-insert the cable
• open Auth_Bypass_Tool_V6.0.0.1+libusb-win32-devel-filter-1.2.6.0.rar/MTK_Auth_Bypass_Tool_V6.0.0.1/mtksecbypass.exe
• click read preloader
• wait until the button re-enabled

  DONT PUT OFF USB CABLE

• click disable auth
• wait until finished
• Now you can flash using SP Flash Tool or Other MTK tools [read here]

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