Wifi routers are pre-configured. You can just turn it on and connect to it.
For 5 GB/30 GB plan routers:
The SSID and password are written on the back of the device.
You can also find the information on the device screen by pressing the start button one more time.
For UQ WiMAX routers, please visit the following article.
For Uroaming routers (100 GB plan), please follow the steps below.
1. Press the power button on the top of the device for 3 seconds to turn on the device.
2. Swipe up.
3. Tap on "I want to connect". The SSID and password are shown on the screen.
4. Find the name (SSID) on your device and connect to it with the password.