Network
- Kamera depan: 8 MP, f/1.8
- Kamera belakang: 13 MP, f/2.2, PDAF; 2 MP, f/2.4, (depth)
- Baterai: Non-removable Li-Po 4030 mAh
- WLAN: Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
- Bluetooth: 4.2, A2DP, LE
- USB: microUSB 2.0
- SIM: Dual SIM (Nano-SIM, dual stand-by)
- Varian warna: Starry Black, Ocean Blue, Glossy Red
- Tanggal Rilis: Desember 2018
- Harga HP Vivo Y91 direkomendasikan di Toko Shopee Rp 1.499.000
