Click on Mode Select and ensure Normal Mode is selected. Make sure "Dual IMEI" or "Single IMEI" is checked according to your device.
| Method | Tool Name | Main Features | Interface | Key Requirement | | :--- | :--- | :--- | :--- | :--- | | | WriteIMEI Tool R3.0.0001 | Writes IMEI, repairs Bluetooth/Wi-Fi, user-friendly | Simple Windows UI | SPD USB drivers; Diag USB mode | | PC Software | Miracle Thunder Tool | Flashing, unlocking, FRP removal | Professional Android service utility | Chipset-level compatibility | | PC Software | NCK Box / Dongle Modules | Firmware flashing, unlocking, IMEI repair | Dongle-based professional tool | Dongle hardware connection | | PC Software | CM2SPD Tool | NVRAM backup/restore, IMEI repair | Professional module interface | Requires Infinity Box or loader | | PC Software | TFM Tool Pro | SIM unlock, FRP reset, security write | Professional modem tool | BootRom mode support | | On-Device | Engineer Mode ( # #83781# # ) | Basic parameter editing via dialer code | Phone's engineering menu (if available) | Device-specific code support |
: In many regions, changing an IMEI to one that does not belong to the original device is illegal. These tools are intended for
Install the correct SPD USB Drivers on your PC. Open the utility, select your specific chip platform (e.g., SC7731, SC9832), choose your connection mode (typically Calibration Mode ), input the 15-digit string, and click "Start." Connect the powered-off device to the computer to execute the write command. 3. Miracle Box or Volcano Box (Advanced) spd android imei repair code
The GPRS interface will display dedicated input fields for your mobile identity, typically labeled and IMEI 2 (for dual-SIM devices).
Swipe across the tabs to locate the or Telephony section. Tap on Set IMEI or Radio Information .
Repeat the steps for IMEI 2 if using a dual-SIM smartphone. Click on Mode Select and ensure Normal Mode is selected
Before attempting any modification, it is crucial to understand the legal framework surrounding device identifiers.
Open , select the appropriate COM Port, enter the correct identification digits, and click Mode Select -> Normal Mode -> Start . Crucial Legal and Security Warning
Installing a ROM or firmware file not explicitly designed for your exact phone model. These tools are intended for Install the correct
For more advanced users with rooted devices, terminal emulators can be used to send direct commands to the modem: AT+EGMR=1,7,"YOUR_IMEI_NUMBER" AT+EGMR=1,10,"YOUR_IMEI_NUMBER" Stack Overflow 3. WriteIMEI Tool (PC Method)
Some Spreadtrum/UNISOC devices allow IMEI repair directly through the dialer. This is common on older models or specific brands like Tecno.