Step 1. Search and download Universal Mastercode Software. You can click on this for direct download
Step 2. Search and download Sagmaster Code Writer. You can click on this for direct download
Step 3. Run the Universal Master Code Software. Type in the IMEI digits from your modem and click on calculate for the unlock code. Ignore the flash code
Step 4. Run the Sagmaster Code Writer software and select Com Port.
The software will then detect your modem port number. After that, click on unlock modem and enter the unlock code generated from step 3.
Hit enter and you should see sending command OK. Decoding/Unlocking has been successful at this stage.