How to change the network selection mode on my Samsung Galaxy S5

Click each step to see the action. You can also click the picture or use the arrow keys.

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You can select which network mode your Samsung Galaxy S5 can use. Changing these settings will influence the data speeds it can achieve.
1. Touch Apps.
2. Touch Settings.
3. Touch More networks.
4. Touch Mobile Networks.
5. Touch Network mode.
6. Touch the desired option (e.g., LTE/WCDMA/GSM).
7. The network selection mode has changed.