In many countries, changing an IMEI number to mask a stolen device is illegal. IMEI repair should only be used to restore the original IMEI listed on the device’s box or under the battery.
| Error Code | Meaning | Solution | | :--- | :--- | :--- | | | Phone not in correct mode | Reboot phone; re-enable Diag mode; check USB cable. | | ERROR: Phone not in META mode | Driver issue | Reinstall CDC Drivers. Try a USB 2.0 port (not 3.0). | | Write IMEI Fail – Timeout | Firewall/Antivirus blocking | Disable Windows Defender Real-time protection temporarily. | | "Rate limited" or "Need Auth" | New security (Unisoc AUTH) | You need a paid tool (CM2, Sigma) that bypasses SLA/DAA authentication. | unisoc imei repair tool
Open the extracted folder and launch WriteIMEI.exe as an Administrator. In many countries, changing an IMEI number to