This guide will show you how to switch between 2G, 3G and 4G if you experience problems in the network.
NOTICE: SCREEN IMAGES MAY DIFFER FROM YOUR ACTUAL DEVICE.
2
Swipe left
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Select Settings
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Select More / All
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Select Mobile networks
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Select Preferred network mode / Network Mode
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Select 2G only to enable 2G
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Select Automatic (3G & 2G) / 3G/2G auto to enable 3G
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Select Automatic (4G & 3G & 2G) / 4G/3G/2G auto to enable 4G