S706c-7731-d2(168)-v1.0.part1.rar: Download File

Use a tool like WinRAR or 7-Zip to extract part1.rar . It will automatically pull data from the other parts to create the final folder.

Ensure your device's motherboard ID matches "s706C-7731-D2" exactly. Flashing the wrong version can permanently damage (hard brick) your hardware. Download File s706C-7731-D2(168)-V1.0.part1.rar

Install the Spreadtrum USB Drivers on your PC so the computer can recognize the device in "Download Mode." Flash the Firmware: Open the SPD Upgrade Tool (also known as ResearchDownload). Load the .pac file extracted from your archive. Click the "Play" or "Start" button. Use a tool like WinRAR or 7-Zip to extract part1

Ensure you have the complete set of .rar files for this version. Download File s706C-7731-D2(168)-V1.0.part1.rar

Ensure the device has at least 50% battery before starting to prevent a shutdown during the process.