Use a high speed connection
Why not make the most of your network connections, and use a 4G connection, when available and if supported by your phone.
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On the start screen, swipe left, and tap
Settings > mobile network . -
Switch Highest connection speed to 4G .
Tip:When roaming in an area where 4G might not be available, switch back to 3G . This also helps your battery last longer, as your phone won't try to connect to the 4G network unnecessarily.
Tip:You can also select the network manually. Tap Network selection .