To get to know more about the screen indicators of Huawei Mobile WiFi E589, this guide could help you.
Here are a number of useful tips to help you resolve any problems you may experience with your Huawei E589.
If you want to change your WiFi name, password or the security type etc you will need to do this in the Settings section of the software landing page
To access the landing page, you will need to connect your computer to the device and enter the URL 192.168.1.1 into your web browser
If at any point you need to log in to the landing page, the username and password are both admin.