Choose Phone > Read from phone > UMTS System . This will show which 3G bands are currently enabled. Add checkmarks to the additional 3G bands that you would like to add.
Read moreHow do I change the frequency of my phone?
Step 1. Press “Menu” on your Motorola phone and select “Settings,” “Network Settings,” “Network Setup” and “Band.” Select the frequency you wish to use . Choices include 900/1800 MHz or 850/1900 MHz, but you can choose “Automatic” if you are not sure which one to select.
Read moreHow do I change my phone from 5GHz to 2.4 GHz?
Method 1 (Android 6.0.1 and earlier)
Read moreHow do I change my network band from 5GHz to 2.4 GHz?
Using the Admin Tool
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