To use the SC7715 IMEI tool, follow these steps:
: Specifically optimized for the Spreadtrum (SPD) SC7715 architecture.
The baseband firmware of the phone is corrupted, or an incorrect NVRAM file was used. Sc7715 Imei Tool Latest Version 2021
Locate and run the SC7715 IMEI Tool executable (usually named WriteIMEI.exe or similar). You will need to run the application as an to allow the software to write to the system's COM ports.
: Beyond IMEI, the tool can also write other identifiers such as Bluetooth addresses, Wi-Fi addresses, and serial numbers. Operating Requirements To use the SC7715 IMEI tool, follow these
Power off your phone. Hold the volume down button and connect it to the PC using the USB cable 3.2.1.
Which is installed on your computer?
: Supports writing IMEI for both single and dual-SIM devices.
SC7715_IMEI_Writer_v2.1_2021.exe or Unisoc_IMEI_Tool_SC7715_2021.zip You will need to run the application as
: Power off the phone, hold the "Boot Key" (often Volume Up or Down), and connect it to the PC via USB.
Because these devices are built on a budget architecture, their EFS (Encrypting File System) partitions—where the IMEI and network calibration data reside—are prone to corruption during flashing, rooting, or custom ROM installations. When the IMEI is lost or shows as "Null," the device cannot register on any cellular network, rendering the phone incapable of making calls, sending texts, or using mobile data. Key Features of the 2021 Version