Flashing a .PAC firmware file will on the device. Ensure you back up your contacts, photos, and files before proceeding. Ensure you have a battery charge of at least 30% to prevent the phone from dying during the flash (which would permanently "brick" the device).
: Install the SPD USB drivers on your PC and ensure your phone's battery is at least 60% charged Load Firmware : Open your chosen flash tool and load the file into the software. Boot into Flashing Mode Power off the device. This model often requires a Test Point
Extract the package. You should see a file with the .pac extension. 3. Loading the PAC File Open the ResearchDownload.exe file from the tool folder.