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Vivo S1 (1907) Questions & Answers

Yes, Vivo S1 has dual 4G support. You can use 2 4G network sim cards at the same time. 

Customer Also Asked

Yes, Vivo S1 does have the Corning Gorilla Glass 5. 

Yes, Vivo S1 has an in-display fingerprint scanner. 

No. Vivo S1 does not have the 5G network support. It works on 2G/3G & 4G GSM networks. 

No. Vivo S1 does not have the front camera flash. It has a display-screen flash.