Instructions

Once the device is successfully connected to a network, whenever the
network is available, the device will connect to the network without having to
re-enter the password.
If you do not want to connect to a network automatically, tap to remove
the connected network.
You can view the "Saved Networks" in "Advanced Settings".
Enhance Internet Experience
What if the Wi-Fi signal is unstable?
 Wi-Fi Assistant
Enable "Automatically Select the Best Wi-Fi", the phone will connect to the
best Wi-Fi network by detecting and analyzing the quality of all Wi-Fi signals.
You can also activate "Auto-switch to Cellular Network". When all Wi-Fi
networks are of poor quality while the cellular data is on, the phone will switch
to the cellular network automatically.
 Dual Channel Network Acceleration