All-in-one-spd-flash-tool-free-download-technical-computer-solutions -
: Power off the phone, hold the "boot key" (usually Volume Down or Volume Up ), and connect it to the PC via USB.
: Run the executable (e.g., UpgradeDownload.exe ) and click the Load Packet (gear icon) to select your .pac file. Start Process : Click the Start Download (play icon) button. : Power off the phone, hold the "boot
: Optimized for high-volume flashing in repair centers. Technical Prerequisites : Power off the phone