This phone I bought last month and it is very usefull to me .its front camera quality is superb and beauty mode is ossom .and its have super smoled display and have a fingerprint in display .its face lock react very fast.vivo s1 is waterproof mobile and iys have a own app lock .i think its phone is very good and very useful .i suggest u to buy this phone .its money range is so high but in this buget its phone is good.its back is not better than frond camera but its good.and u have played pubgy in high quality .soo I suggest u to buy this pho
ne .and its great.phone .