Huawei Echolife HG520b - Router Configuration, password, wifi, port forwarding, Change DNS, Backup and Restore

Huawei Echolife HG520b - Router modem Configuration, how to change administration password, how to setup and protect the wifi , how to open ports for game and application servers (port forwarding), how to Change DNS and how to Backup and Restore modem configuration...

At 00:07 - How to configure the modem (Router, wifi, admin password).
At 05:01 - How to open ports for application and games servers.
At 09:17 - How to change DNS.
At 10:33 - How to Backup and Restore your modem configuration.

The HUAWEI Echolife HG520b is a type of Asymmetric Digital Subscriber Line (ADSL) terminal. Data, video and audio are transmitted through the common telephone line at a higher rate by the HG520b.

The features of the HUAWEI Echolife HG520b are:
High transmission rate: The maximum downstream rate is 24 Mbit/s; the maximum upstream rate is 1.2 Mbit/s.
Strong network adaptability: The HG520b can be interconnected with multiple Digital Subscriber Line Access Multiplexer (DSLAMs).
Strong maintainability: The HG520b provides multiple indicator status, which is convenient to locate failures.
Easy operation: The HG520b has a simple operation for the configuration page.