First, please open the device cover and press the reset button to restart the device.
Then connect your phone, tablet or computer to the 303HW wifi device. Then go to the web browser and enter the IP address 192.168.128.1
Before entering the password as admin, please TURN OFF the wifi device screen
NOTE: After completing all steps, the device screen will display LTE or 4G
If the device does not display LTE or 4G, repeat all steps 1 again
Good luck for you