Ensure your bricked device is completely powered down. Press and hold the Volume Down (or Volume Up on some models) button, and connect the USB cable from the PC to the device.
Do not attempt to use this 512M file variant on devices featuring 1GB or 2GB of RAM. preloaderk80hdbspfwv512m link
Refers to the device board or platform ID, commonly found in certain budget tablets or smartphones. Ensure your bricked device is completely powered down
: Deselect the "Preloader" checkmark in SP Flash Tool if you are just trying to fix software bugs or loops. Only flash the preloader if the device is already bricked and won't turn on. preloaderk80hdbspfwv512m link