He launched the . It wasn't pretty. It was a stark, industrial interface, designed by engineers, for engineers. No flashy graphics. Just COM port selectors, baud rate settings, and a big, ominous button that said WRITE IMEI .

While holding the boot key, plug the USB cable from the PC into the phone.

Set the tool to "Normal Mode" within the "Mode Select" menu. Enter IMEI:

The link was active. Sc7715_IMEI_Repair_Tool_v4.2_2021.rar.

Disconnect the phone, pull the battery, re-verify the boot key sequence, and make sure the phone remains completely stationary during processing. Critical Legal & Safety Notice

Spreadtrum / Unisoc SC7715 (and backward compatible variants) USB to Micro-USB / USB-C via virtual COM Port File Format Executable standalone application ( .exe ) Prerequisites for Using the Tool

SC7715 IMEI Tool is a Windows utility (for MediaTek-based SC7715 chipset devices) used to read, backup, restore, or write IMEI/NV data and perform basic MTK service tasks. This tutorial assumes the 2021-era release and covers installation, drivers, typical workflows, and troubleshooting.

He clicked .

The version released on , brought several refinements for better stability and device support: