While holding the keys, connect the phone to the PC via your USB cable.
Why it helps
: Install the MediaTek VCOM drivers and extract the SP Flash Tool and firmware files to your PC. mt6833 flash tool
Press and hold the for roughly 10–15 seconds to force the device to boot out of its hardware download state. While holding the keys, connect the phone to
: Ensure your phone has at least 50% battery capacity. While holding the keys
Click the prominent arrow button at the top of the interface.