1.Open Settings and click WLAN.

{{:arm:rk3399:android:android_wifi1.png?600|}}

2.Enable ban list option.

{{:arm:rk3399:android:android_wifi2.png?600|}}

3.Browse for available WIFI routes, then click and enter your password.

{{:arm:rk3399:android:android_wifi3.png?600|}}

4.The connection is successful. The status bar icon in the upper right corner looks like this.

{{:arm:rk3399:android:android_wifi4.png?600|}}