| Hardware and OS | vivo Y55s | |
| Operating system | Android 6 (Marshmallow); Funtouch 3 | |
| Processor | Quad-core 1.4 GHz Cortex-A53 | |
| Chipset | Qualcomm MSM8917 Snapdragon 425 (28 nm) | |
| GPU | Adreno 306 | |
| Internal memory | 16 GB, 2/3 GB RAM | |
| External memory | microSD, up to 256 GB (dedicated slot) | |
| Display | vivo Y55s | other phones |
| Type | IPS LCD | |
| Size | 5.2" inc | |
| Resolution | 720 x 1280 px | |
| Touchscreen | capacitive touchscreen | |
| Screen-to-Body Ratio | 69.1% | |
| Display area | 74.5 cm2 | |
| Display aspect ratio | 16:9 (height:width) | |
| Pixel Density | 282 PPI | |
| Colors | 16M | |
| Connectivity | vivo Y55s | other phones |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | |
| 3G Network | HSDPA 850 / 900 / 2100 | |
| 4G Network | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 40(2300) - Malaysia, Vietnam | |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | |
| Network | GSM / HSPA / LTE | |
| SIM card | Dual SIM (Nano-SIM/ Micro-SIM, dual stand-by) | |
| Bluetooth | 4.2, A2DP, LE | |
| Edge | Yes | |
| GPRS | Yes | |
| GPS | Yes, with A-GPS, GLONASS, BDS | |
| Speed | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | |
| USB | microUSB 2.0, USB On-The-Go | |
| Camera | vivo Y55s | other phones |
| Main camera | 13 MP, Single | |
| Specs | 13 MP, AF, f/2.2 | |
| Features | LED flash, HDR, panorama | |
| Video | 1080p@30fps | |
| Selfie camera | 5 MP, Single | |
| Multimedia | vivo Y55s | other phones |
| 3.5 mm Jack | Yes | |
| Radio | FM radio | |
| Design | vivo Y55s | other phones |
| Colors | Crown Gold, Rose Gold, Space Gray | |
| Body build | Front glass, aluminum body | |
| Dimensions | 147.9 x 72.9 x 7.5 mm | |
| Weight | 142 g | |
| Battery | vivo Y55s | other phones |
| Battery capacity | 2730 mAh, Non-removable Li-Ion | |
| Other | vivo Y55s | other phones |
| Release date | 2017, February | |
| Sensors | Accelerometer, proximity, compass | |
