General
- Brand Asus
- Model Zenfone 4 Pro ZS551KL
- Device Smartphones
- Added February 16, 2019
- Updated June 13, 2024
Launch
- Announced 2017, August
- Status Available. Released 2017, October
Network
- Technology GSM / HSPA / LTE
- 2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
- 3G bands HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100
- 4G bands 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 LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 18(800), 19(800), 20(800), 26(850), 28(700), 29(700), 30(2300), 38(2600), 39(1900), 41(2500) - US, Canada, Brazil LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 18(800), 19(800), 20(800), 26(850), 28(700), 29(700), 30(2300), 38(2600), 39(1900), 40(2300), 41(2500) - India
- Speed HSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat12 600/150 or 100 Mbps
- GPRS Yes
- EDGE Yes
Body
- Dimensions 156.9 x 75.6 x 7.6 mm (6.18 x 2.98 x 0.30 in)
- Weight 175 g (6.17 oz)
- Build Front/back glass (Gorilla Glass 5) & aluminum frame
- SIM Hybrid Dual SIM (Nano-SIM, dual stand-by)
Display
- Type AMOLED capacitive touchscreen, 16M colors
- Size 5.5 inches, 83.4 cm2 (~70.3% screen-to-body ratio)
- Resolution 1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
- Protection Corning Gorilla Glass 5
Platform
- OS Android 7.1.1 (Nougat), upgradable to Android 8 (Oreo); ZenUI 4
- Chipset Qualcomm MSM8998 Snapdragon 835 (10 nm)
- CPU Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)
- GPU Adreno 540
Memory
- Card slot microSD, up to 512 GB (uses SIM 2 slot)
- Internal 64/128 GB
- RAM 6 GB RAM
Main camera
- Dual 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
- Video 2160p@30fps, 1080p@30/60fps, 1080p@120fps, 720p@240fps
Selfie camera
- Single 8 MP, f/1.9, 1/3.2", 22mm (wide), 1.4µm, PDAF
Sound
- Alert types Vibration, MP3, WAV ringtones
- Loudspeaker Yes
- 3.5mm jack Yes - 24-bit/192kHz audio - DTS sound - Active noise cancellation with dedicated mic
Connectivity
- WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot
- Bluetooth 5.0, A2DP, EDR, LE, aptX
- GPS Yes, with A-GPS, GLONASS, BDS, GALILEO
- NFC Yes
- FM radio Yes
- USB Type-C 1.0 reversible connector
Features
- Sensors Fingerprint- (front-mounted), accelerometer, gyro, proximity, compass, color spectrum
- Messaging SMS(threaded view), MMS, Email, Push Email, IM
- Browser HTML5
- Java No
Battery
- Talk time Up to 27 h 30 min (3G)
- Type Non-removable Li-Ion
- Capacity 3600 mAh battery
More
- Made by China
- Color Moonlight white, Pure Black
- Other Features Fast battery charging MP3/WAV/eAAC+ player MP4/H.264 player Document viewer Photo/video edito