1. Download Universal Master Code Calculator so that we get the FLASH CODE from here
**To get new algorithm codes HERE or here OR here
2. After downloading it Put the IMEI and get the FLASH code that we are going to use them as a PASSWORD.
3. Download HUAWEI E303 firmware update from here
**Download the Full version from here
4. Unzip the file and make sure the modem is connected and it has been installed with the SIM card inside it.
Quit the dashboard if its open and run the update, wait and when it ask
you for the PASSWORD input the FLASH CODE you got from Universal
Mastercode Calculator.. Wait for about 3 min and your modem will be
Still not prompt for unlock code?
Download this dashboard (HERE) work for sure...