The SP Flash Tool is the standard utility for loading firmware onto these devices.

Critical Warning : Never select "Format All + Download" unless your phone is completely dead and unresponsive. Choosing "Format All" will erase your device's global unique identifiers, including your and Baseband calibration data , causing permanent loss of cellular network capabilities. Step 4: Execute the Flash Process

Completely wipes out deeply embedded adware, spyware, or pre-installed malware that standard factory resets cannot erase.

Release the button immediately when the progress bar at the bottom turns red.