No. Vivo S1 does not have the 5G network support. It works on 2G/3G & 4G GSM networks.
Yes, Vivo S1 has a dedicated MicroSD card slot. You can use 2 sim cards and a memory card at the same time.
Jio offers benefits worth Rs.10,000 on Vivo S1 mobile phone.
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.