Which are you running the utility on?
In the world of mobile phone repair, few issues are as frustrating as a "Null IMEI" or "Invalid IMEI" error. For devices powered by UNISOC (formerly Spreadtrum) processors—common in brands like Samsung (A series, J series), Tecno, Infinix, Itel, Lava, Micromax, and many Chinese OEMs—a corrupted IMEI means no network, no calls, no SMS, and no mobile data.
Select the correct number of SIM card slots corresponding to your physical device hardware (e.g., dual-SIM). Step 3: Input the Identification Records spreadtrum imei tool v41 updated
: Includes functions to read current device info and perform factory resets directly through the tool. How to Use the Tool Driver Installation : You must install the Spreadtrum/Unisoc USB Drivers
What (if any) are you currently getting on the phone or PC screen? Which Windows operating system version are you running? Which are you running the utility on
: Type the 15-digit IMEI numbers (usually found under the battery or on the original box) into the input fields. Start Process Connect Device : Power off your phone, hold the Volume Down (or Boot key), and connect it to the PC via USB. Completion : The tool will show a green message once the process is successful. Important Safety & Legal Notice Educational Use Only
Open the dialer app and type *#06# to verify that your identifiers are properly restored. Troubleshooting Common Errors Select the correct number of SIM card slots
Once the user interface opens, locate the configuration panel.
The utility will detect the diagnostic port connection and begin transferring the data payload to the NVRAM partition. A progress bar will track the process. Once finalized, a green indicator displaying or Success will appear on your computer monitor. Disconnect your phone and restart it. Dial *#06# on your phone's keypad to confirm that the numbers have been successfully restored. Troubleshooting Common Errors "Device Not Detected" or "Waiting for USB Port"
: Type the original 15-digit IMEI number found on the phone’s retail box or behind the battery.
Follow these instructions carefully to rewrite or restore your network configuration: Step 1: Extract and Launch