It takes about 2 hours time to fully charge Vivo S1 battery from 0% to 100%. Please note that Vivo S1 comes with a huge battery capacity of 4500 mAh. Hence despite fast charging support, it takes a little more time to fully charge the phone.
Vivo S1 is available in 2 color variants - Diamond Black & Skyline Blue.
No. Vivo S1 does not have a hybrid sim slot. The mobile has a dedicated MicroSD card slot. You can use a memory card of up to 256GB.
No. Vivo S1 does not have the front camera flash. It has a display-screen flash.
Vivo S1 has 6.38 inches of AMOLED Full HD plus display. It is further protected with Corning Gorilla Glass 5 level of protection. The mobile has a 90% screen-to-body ratio and has 19.5:9 aspect ratio. Vivo S1 offers 404 PPI of resolution.