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There may be different network modes available depending on where you are. The network mode influences the data speeds your router can achieve. Remember, you need to establish a connection to the router web interface.
1. Find "Mobile Network Searching"
Click Mobile Network.
Click Mobile Network Searching.
2. Select network mode
Click the drop down list next to "Preferred network mode".
Click the required setting.
There may be different network modes available depending on where you are. If you set your router to "Auto", it will always find the network with the highest data speed and best signal.