Click and choose "Normal Mode" or "Diag Mode" based on your device state. Write IMEI : Click Read to ensure the tool detects the device info.
: Install the necessary SPD/UNISOC USB Drivers on your PC and verify the connection in Windows Device Manager.
The is a specialized Windows-based utility designed to repair or restore original IMEI numbers on mobile devices powered by Spreadtrum (SPD) and UNISOC chipsets. This version is widely used by technicians to address issues like "Invalid IMEI," "Null IMEI," or network connectivity problems following a firmware flash. Key Features of Version 4.1 spreadtrum imei tool v41 updated
Click . A "PASS" message indicates a successful repair. Important Safety and Legal Notice
The updated v4.1 tool introduces several enhancements for broader compatibility: Click and choose "Normal Mode" or "Diag Mode"
: Can also update and repair Bluetooth addresses, Wi-Fi addresses, and Serial Numbers (SN). How to Use Spreadtrum IMEI Tool v4.1
: Supports a wide range of manufacturers such as Infinix, Tecno, iTel, Samsung, Realme, and Nokia . The is a specialized Windows-based utility designed to
: Compatible with both Diag Mode (universal factory protocol) and Normal/MTP Mode .
: Most devices require booting into "Diag Mode" to allow write access. This often involves connecting the device while holding specific volume keys. Configure the Tool : Launch WriteIMEI.exe . Select the correct COM Port identified in Device Manager.
Input the original 15-digit IMEI numbers (usually found under the battery or on the retail box) into the IMEI 1 and IMEI 2 fields.