Essential for the PC to recognize the phone in "Download Mode" (usually triggered by holding Volume Down while plugging in the USB). 4. Flashing Procedure (Step-by-Step)
Do not download "Unlocker Tools" or "Auto ROM installers" from YouTube descriptions. Most contain keyloggers or are paid scams. sp7731e+1h10+native+firmware+link
The is a specific Spreadtrum (UNISOC) chipset configuration frequently found in budget Android head units and some smartphones. Essential for the PC to recognize the phone