Click the or Write button on the interface. The utility will scan the virtual COM ports, detect the diagnostic connection, and begin flashing the NVRAM data. A progress bar will fill, concluding with a green Success , Pass , or Finished message. Disconnect the USB cable, cycle the device power, and dial *#06# on the phone's keypad to verify the restored numbers. Troubleshooting Common Errors Device Not Detected / Waiting for USB Port Cause: Incorrect or missing Spreadtrum USB drivers.
Extract the WriteIMEI ZIP archive to an easily accessible folder on your computer.
Essential for the computer to recognize the phone in Diag/Calibration mode. sc7715 imei tool latest version
The SC7715 is a chipset platform developed by Unisoc (formerly Spreadtrum). It is predominantly found in budget "feature phones" (like the classic keypad phones) and entry-level Android smartphones. Because these devices are often used as secondary phones or for industrial use, software tools for them are rarely discussed in mainstream tech circles.
Because these devices often have lower build quality or unstable firmware, users frequently encounter "Unknown Baseband" or "NULL IMEI" errors after flashing a custom ROM or performing a factory reset. This is where the SC7715 IMEI Tool becomes necessary. Click the or Write button on the interface
Unlike newer chipsets that use complex security hashes, the SC7715 relies on standard Spreadtrum calibration protocols. This allows technicians to rewrite the original IMEI back to the device hardware using specialized PC utilities over a standard USB connection. Top 3 SC7715 IMEI Tools (Latest Versions)
Using the SC7715 IMEI Tool has several benefits, including: Disconnect the USB cable, cycle the device power,
Open the folder, right-click WriteIMEI.exe , and select .
To help you get your device connected properly, let me know: What are you using on your PC?
Before starting, ensure you have the correct Spreadtrum (SPD) USB drivers installed on your PC.