antenna
search
plan.com
/
Vivo
/
Y21s
/
Switch between 3G/4G
<
Vivo Y21s
Switch between 3G/4G
- Vivo Y21s
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 Network & internet
4
Select SIM card & mobile network
5
Select SIM 1 or SIM 2
6
Select Preferred network type
7
Select your preferred option
Change device
Guides
Specifications
Compare
To Top