Router - Login in

Can I change the username "admin" of the router?
How do I change administrative password on DL-WRX36?
What if I forget my login password?
How to reset DL-WRX36 router to factory default settings?
Does my router need to use the latest firmware?
Where can I get the firmware files?
Are there any external documentation files for Dynalink Router available for users to download?
How to find the hardware version on a DL-WRX36 device?
What is format rule of WiFi password?
How to update the Router’s firmware to the latest version?
What if I cannot connect to Dynalink WiFi or login to WebGUI with default password on the label?