If your phone doesn't connect at all:
You can let go of the volume buttons once the yellow bar starts moving.
: Try a different USB port (preferably a USB 2.0 port on the back of the PC), swap the USB cable, or reinstall the MTK VCOM drivers. BROM ERROR: S_COM_PORT_OPEN_FAIL (1013) mt6735 flash file
You used the Format All + Download option, which wiped the NVRAM partition containing your device's unique identification numbers.
Click on the button next to the Scatter-loading File field. If your phone doesn't connect at all: You
: The SP Flash Tool (v5.1804 or later is recommended for newer versions of Android) is the standard utility for MT6735 devices .
Resolves instances where the device is stuck continuously cycling on the startup logo. Click on the button next to the Scatter-loading File field
Tech Repair Hub Difficulty Level: Intermediate (User/Technician) Target OS: Android (Lollipop to Nougat)
Click the green button at the top of the interface. The tool will now enter standby mode, waiting for the device connection. Turn off your MT6735 device completely.