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

Swipe left

Swipe left
3

Select Settings

Select Settings
4

Select Network & internet

Select Network & internet
5

Select SIM card & mobile network

Select SIM card & mobile network
6

Select SIM 1 or SIM 2

Select SIM 1 or SIM 2
7

Select Preferred network type

Select Preferred network type
8

Select your preferred option

Select your preferred option
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Switch between 3G/4G

Vivo Y12s

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