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Switch between 3G/4G
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OPPO A31
Switch between 3G/4G
- OPPO A31
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 Settings
3
Select Dual SIM & Mobile Network
4
Select SIM 1 or SIM 2
5
Select Preferred Network Type
6
Select your preferred option
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