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A57
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Switch between 3G/4G
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OPPO A57
Switch between 3G/4G
- OPPO A57
1
Before you start
This guide will show you how to switch between 3G and 4G if you experience problems in the network.
2
Swipe left
3
Select Settings
4
Select Dual SIM and Mobile Network
5
Select Preferred network type
6
Select Preferred network type
7
Select your preferred option
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