How to turn on 3G or 4G on Vivo Y22s

If you need to have access to the internet on your Vivo Y22s, you will need to use the 3G or 4G network. It sometimes happens for one reason or a different that the 4G or 3G network of the Vivo Y22s is deactivated. In this case, it is impossible for the cellphone to connect … Read more

How to turn on 3G or 4G on Vivo Y35

If you want to have access to the net on your Vivo Y35, you are going to need to use the 3G or 4G network. It occasionally happens for one reason or another that the 4G or 3G network of the Vivo Y35 is deactivated. In this circumstance, it is impossible for the smartphone to … Read more