Pac [best]: E1207y Flash File
: The primary software used to load and write .pac files to Spreadtrum-based devices.
Click the located at the top-left corner of the interface. e1207y flash file pac
Right-click on UpgradeDownload.exe or ResearchDownload.exe and select . : The primary software used to load and write
Power off the phone and remove the battery for a few seconds, then re-insert it. e1207y flash file pac
Once the tool detects the phone, the flashing process will start automatically. You will see a progress bar.