Its primary function is to write the device's original 15-digit IMEI back to the hardware.
Supports loading hardware-specific configuration files ( .cfg ) to ensure accurate database calibration.
Beyond IMEI, the tool can also write Bluetooth, Wi-Fi, and serial number addresses if these files are damaged. Spreadtrum Imei Tool V4.1
The Spreadtrum IMEI Tool V4.1 is a lightweight Windows utility specifically designed to write, repair, or restore IMEI numbers on mobile phones and tablets that run on Spreadtrum/Unisoc processors. Unlike generic flashing utilities, this tool communicates directly with the phone’s NVRAM partition via a specialized COM port interface.
: Must be installed so your PC recognizes the phone in "Download Mode". Original IMEI Its primary function is to write the device's
: Enter your device’s original 15-digit IMEI into the provided input fields. Initiate Writing ) button. The tool will now wait for the device to connect. Connect the Device Power off your phone completely. Volume Down
The following steps are based on the standalone (SPRD IMEI Write Tool), which is the most widely used utility for this task. The process is similar for version V4.1, though some interface details may differ slightly. The Spreadtrum IMEI Tool V4
Click the Save button to lock in your settings.
Disclaimer: This guide is for educational purposes. Tampering with IMEI numbers is illegal in many jurisdictions unless you are restoring the original, factory-issued number to your own device.
However, for legitimate technical purposes like phone repair, manufacturers and engineers have developed official tools to read and write identifiers. The (often referred to generally as the "Spreadtrum IMEI Tool") is one such official utility. Specifically designed for devices powered by Spreadtrum (now part of Unisoc) processors, this tool, often referred to by users as Spreadtrum IMEI Tool V4.1 , is used to write or restore a phone's IMEI number, serial number (SN), Bluetooth address (BD_ADDR), and Wi-Fi MAC address to factory specifications. This process is crucial for repairs after a baseband or NVRAM corruption that causes the device to show an "Invalid IMEI" or "Null IMEI" error, which prevents network connectivity.