| Brand: | Vivo |
| Model: | Y55s |
| Type: | Smartphone |
| Release Date: | 2017 |
| Size: | 5.2 inches |
| Main Specs: | 13 MP, AF, f/2.2 |
| Main Video: | 1080p@30fps |
| Selfie Specs: | 5 MP, f/2.2 |
| Capacity: | 2730 mAh |
| Type: | Li-Ion |
| Chipset: | Qualcomm MSM8917 Snapdragon 425 (28 nm) |
| Cpu: | Quad-core 1.4 GHz Cortex-A53 |
| Gpu: | Adreno 306 |
| Ram: | 3 GB |
| Storage: | 16 GB |
| Expandable: | microSD, up to 256 GB (dedicated slot) |
| Os: | Android 6 (Marshmallow); Funtouch 3 |
| Os Version: | 6 |
| Dimensions: | 147.9 x 72.9 x 7.5 mm |
| Weight: | 142 g |
| Sim: | Dual SIM (Nano-SIM/ Micro-SIM, dual stand-by) |
| Wifi: | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| Bluetooth: | 4.2, A2DP, LE |
| Nfc: | No |
| Usb: | microUSB 2.0, USB On-The-Go |
| Headphone Jack: | Yes |
| Network: | GSM / HSPA / LTE |
| Colors: | Crown Gold, Rose Gold, Space Gray |
| Usd: | ~216 USD |
| Os Family: | Android |
| Os Launch Version: | 6 |
| Os Skin: | Funtouch 3 |
