| Price | 0 USD |
| 64 GB - 6 GB RAM | |
| 128 GB - 6 GB RAM |
| Brand | asus |
| Model | Asus Zenfone 4 Pro ZS551KL |
| Status | Available. Released 2017, October |
| Release Date | 2017-08-01 |
| RAM | 6 GB RAM |
| STORAGE | 64/128 GB |
| Memory Slot | microSD, up to 512 GB |
| Rear Camera | 12 MP, 16 MP |
| Feature | HDR, panorama, LED flash |
| Video Recording | 1080p@120fps, 1080p@30/60fps, 720p@240fps, 2160p@30fps |
| Front Camera | 8 MP |
| Front Video Recording | 1080p@30fps |
| Network | 2G/3G/4G |
| USB | Type-C 1.0 reversible connector |
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO |
| Bluetooth | 5.0, A2DP, EDR, LE, aptX |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot |
| SIM | Hybrid Dual SIM (Nano-SIM, dual stand-by) |
| EDGE | Yes |
| GPRS | Yes |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat12 600/150 or 100 Mbps |
| Type | Non-Removable Battery |
| Size | 3600 mAh, Li-Ion Battery |
| Charging | Fast battery charging 18W: 50% in 32 min |
| Sensors | Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, color spectrum |
| Type | AMOLED capacitive touchscreen, 16M colors |
| Size | 5.5 inches, 1080 x 1920 Pixel |
| Aspect Ratio | 16:9 |
| PPI | ~401 ppi density |
| Screen to Body Ratio | ~70.3% |
| Protection | Corning Gorilla Glass 5 |
| Build | Front/back glass (Gorilla Glass 5) & aluminum frame |
| OS | Android 7.1.1 Nougat, upgradable to Android 8.0 |
| Chipsets | Qualcomm MSM8998 Snapdragon 835 (10 nm) |
| GPU | Adreno 540 |
| CPU | Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo) |
| Colors | Moonlight white, Pure Black |
| Weight | 175 g (6.17 oz) |
| Dimensions | 156.9 x 75.6 x 7.6 mm (6.18 x 2.98 x 0.30 in) |
| NFC | Yes |
| 3.5mm Jack | |
| Charging | Fast battery charging 18W: 50% in 32 min |
| Water Proof |
| Radio | FM radio |
| Loudspeaker | Yes, dual speakers |