No. Vivo S1 does not have the 5G network support. It works on 2G/3G & 4G GSM networks.
Vivo S1 offers superb value for money. The mobile has almost everything which you should have in an ideal mobile. However, we feel that the following can be disadvantaged.
However, the phone does offer full HD video recording and also offers fast charging via MicroUSB port but we still feel that above could be of good help to users.
Yes, Vivo S1 has dual 4G VoLTE support.
No. Vivo S1 does not have Qualcomm Snapdragon processor but it has latest the latest MediaTek P65 octa-core processor.