Spreadtrum Imei Tool V4.1 ((exclusive)) (LATEST »)

Unlike professional service boxes, this software-only solution can often be used for free. How to Use the Tool

Click "Set" or "Mode Select" and choose "Normal Mode" or "Calibration Mode" depending on your device's state.

Its primary function is to write the device's original 15-digit IMEI back to the hardware. Spreadtrum Imei Tool V4.1

It can repair IMEI 1 and IMEI 2 for dual-SIM devices.

Ensure the latest SPD/UNISOC USB drivers are installed on your PC so the device is recognized in "Diag Mode". It can repair IMEI 1 and IMEI 2 for dual-SIM devices

Beyond IMEI, the tool can also write Bluetooth, Wi-Fi, and serial number addresses if these files are damaged.

The (also known as the SPD WriteIMEI Tool ) is a specialized utility used to restore or repair the International Mobile Equipment Identity (IMEI) numbers on devices powered by Spreadtrum (UNISOC) chipsets. This tool is essential for technicians and DIY enthusiasts when a device loses its network connectivity due to an "Invalid IMEI" or "Null IMEI" error, often caused by software flashing or system corruption. Key Features of Spreadtrum IMEI Tool V4.1 The (also known as the SPD WriteIMEI Tool

Input the original 15-digit IMEI numbers found on your device's box or under the battery.

Select the correct matching your device in the Windows Device Manager.