No. Vivo Y91 does not have the front camera flash but it does have the display flash. Which helps to capture good selfies in low light conditions.
Yes, you can play PUBG game on Vivo Y91 easily. Please check the following video which will give you more idea about the gaming performance on Vivo Y91.
No. Vivo Y91 is not a waterproof mobile phone.
Yes, Vivo Y91 does have the dual rear camera set up. It has 13MP + 2MP rear camera set up.
Yes, Vivo Y91 does have the VoLTE support.
