Are you using a feature phone or an older Android device running on a chipset? If you are facing "Invalid IMEI" or "Network Not Registered" issues, you have landed on the right page.
Install the latest SCI Android USB drivers so your PC detects the phone in DIAG or BOOT mode.
Check your Device Manager. If you see a yellow exclamation mark next to the device name, your SPD drivers are not installed correctly. Reinstall the drivers or try a different USB port (preferably a USB 2.0 port on the back of the PC). Write Timeout / Failed Error sc7715 imei tool latest version link
Changing or modifying a mobile device's IMEI number to a value different from its originally manufactured identity is illegal in many jurisdictions, including the US, UK, Europe, and India. This utility must only be deployed to restore the original, legally assigned IMEI number that came with the device hardware.
If this guide helped you fix your phone, consider sharing it on XDA or Reddit (r/mobilerepair). And remember: the real latest version is always found through trusted forums, never random blogs promoting “auto IMEI changers.” Are you using a feature phone or an
: If the tool says "Wait for phone," power off the device, hold the Volume Down button (or Volume Up for some models), and connect it to the PC. Important Considerations
For more modern Spreadtrum or Unisoc devices, the provides a more up‑to‑date interface, broader chipset support, and additional features like Bluetooth MAC repair and factory reset — all without requiring a paid license. Check your Device Manager
The SC7715 IMEI Tool is a lightweight, specialized flashing and repair utility designed specifically for mobile devices built on the Spreadtrum SC7715 chipset. These chipsets are frequently used in budget smartphones and feature phones from brands like Prestigio, Micromax, and various generic Android devices.