antenna search
1

Before you start

This guide will show you how to switch between 3G and 4G if you experience problems in the network.

2

Select ""Apps""

Select Apps
3

Select ""Settings""

Select Settings
4

Select ""Mobile data""

Select Mobile data
5

Select ""Network mode""

Select Network mode
6

Select ""GSM / WCDMA auto"" to enable ""3G"" and ""GSM / WCDMA / LTE auto"" to enable ""4G""

Select GSM / WCDMA auto to enable 3G and GSM / WCDMA / LTE auto to enable 4G
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Switch between 3G/4G

HTC Desire 820

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