The (often named SPD IMEI Writer , Sprd IMEI Tool , or Unisoc IMEI Tool ) is a Windows-based PC application designed to write IMEI numbers and calibration data directly to the NV memory of Unisoc/Spreadtrum processors.
: Many tools can also repair Serial Numbers, Bluetooth addresses, and Wi-Fi MAC addresses.
| Tool | Best for | Works on | |------|----------|----------| | | SC7731/SC9832/SC9863 (older) | USB COM port mode | | Maui META | All Unisoc with preloader | Android 7–10 | | Unisoc Tool (by UnlockTool/NCK) | Android 10–13, EFSv2 | BROM mode (no auth) | unisoc imei repair tool
Itel, Tecno, Infinix, Lava, Symphony, Wiko, Doogee, Oukitel, Umidigi (specific models).
For users of devices powered by Unisoc (formerly Spreadtrum) processors—brands like Itel, Tecno, Infinix, Leagoo, Blackview, and Ulefone—this is a common scenario. When the baseband is unknown, the IMEI numbers (International Mobile Equipment Identity) are wiped. Without an IMEI, your phone is essentially a tiny, expensive tablet. It cannot make calls, send texts, or use mobile data. The (often named SPD IMEI Writer , Sprd
If your phone displays "IMEI: Null" or "IMEI: 0" in the dialer code *#06# , you are likely dealing with a software-level corruption that a Unisoc IMEI Repair Tool can resolve.
International standards require two unique IMEIs for dual SIM devices. A good tool allows you to type in or generate two distinct IMEI numbers. Some also support MEID for CDMA networks (though rare). For users of devices powered by Unisoc (formerly
The future requires: