| Hardware and OS Asus Zenfone 4 Pro ZS551KL |
| Operating system: | Android 7.1.1 (Nougat), upgradable to Android 8 (Oreo); ZenUI 4 |
| Processor: | Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo) |
| Chipset: | Qualcomm MSM8998 Snapdragon 835 (10 nm) |
| GPU: | Adreno 540 |
| Internal memory: | 64/128 GB, 6 GB RAM |
| External memory: | microSD, up to 512 GB (uses SIM 2 slot) |
| Display Asus Zenfone 4 Pro ZS551KL |
| Type: | AMOLED |
| Size: | 5.5" inc |
| Resolution: | 1080 x 1920 px |
| Protection: | Corning Gorilla Glass 5 |
| Touchscreen: | capacitive touchscreen |
| Screen-to-Body Ratio: | 70.3% |
| Display area: | 83.4 cm2 |
| Display aspect ratio: | 16:9 (height:width) |
| Pixel Density: | 401 PPI |
| Colors: | 16M |
| Connectivity Asus Zenfone 4 Pro ZS551KL |
| 2G Network: | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network: | HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 |
| 4G Network: | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 17(700), 19(800), 20(800), 28(700), 38(2600), 39(1900), 40(2300), 41(2500) - Global, Taiwan |
| Wi-Fi: | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot |
| Network: | GSM / HSPA / LTE |
| SIM card: | Hybrid Dual SIM (Nano-SIM, dual stand-by) |
| Bluetooth: | 5.0, A2DP, EDR, LE, aptX |
| Edge: | Yes |
| GPRS: | Yes |
| GPS: | Yes, with A-GPS, GLONASS, BDS, GALILEO |
| NFC: | Yes |
| Speed: | HSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat12 600/150 or 100 Mbps |
| USB: | Type-C 1.0 reversible connector |
| Camera Asus Zenfone 4 Pro ZS551KL |
| Main camera: | 12 MP,
Dual |
| Specs: | 12 MP, f/1.7, 25mm (wide), 1/2.55', 1.4µm, 4-axis OIS, dual pixel PDAF & laser AF
-16 MP, 50mm (telephoto), 1/3.1', 1.0µm, 2x optical zoom, AF |
| Features: | LED flash, HDR, panorama |
| Features: | HDR |
| Video: | 2160p@30fps, 1080p@30/60fps, 1080p@120fps, 720p@240fps |
| Selfie camera: | 8 MP,
Single |
| Specs: | 8 MP, f/1.9, 1/3.2', 22mm (wide), 1.4µm, PDAF |
| Video: | 1080p@30fps |
| Multimedia Asus Zenfone 4 Pro ZS551KL |
| 3.5 mm Jack: | Yes |
| Radio: | FM radio |
| Design Asus Zenfone 4 Pro ZS551KL |
| Colors: | Moonlight white, Pure Black |
| Body build: | Front/back glass (Gorilla Glass 5) & aluminum frame |
| Dimensions: | 156.9 x 75.6 x 7.6 mm |
| Weight: | 175 g |
| Battery Asus Zenfone 4 Pro ZS551KL |
| Battery capacity: | 3600 mAh, Non-removable Li-Ion |
| Battery life: | Talking time- Up to 27 h 30 min (3G)
|
| Other Asus Zenfone 4 Pro ZS551KL |
| Release date: | 2017, August |
| Sensors: | Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, color spectrum , Infrared port |
