: Input the 15-digit IMEI number from the device's sticker/paper documentation into the IMEI 1 (and IMEI 2 if dual-SIM) fields.
A: The SC7715 chipset is from the Android 4.4–6.0 era (2014–2017). If your device has Android 11 via a custom ROM, the tool may still work, but only if the modem firmware is original.
A: No. Each Spreadtrum chip has a unique DIAG protocol. Using this tool on other chips will fail or hard-brick the device.
Direct links to these tools frequently change or expire. Official manufacturers do not host these as standalone "IMEI repair" public utilities. Below are the standard reliable sources.
: A standard dedicated utility for writing IMEI, Bluetooth, and Wi-Fi addresses to SPD Android devices.
: Fixes corrupted or missing IMEI numbers to restore network connectivity and signal. Dual SIM Support