Asus Zenfone 4 Pro ZS551KL

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: 1, 2, 3, 4, 5, 7, 8, 17, 19, 20, 28, 38, 39, 40, 41 - Global, Taiwan
• Note: 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 29, 30, 38, 39, 40, 41 - India
• Speed: HSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat12 600/150 or 100 Mbps

Launch

• Announced: 2017, August
• Status: Available. Released 2017, October

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: Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
• SIM: Hybrid Dual SIM (Nano-SIM, dual stand-by)

Display

• Type: AMOLED
• 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: microSDXC (uses shared SIM slot)
• Internal: 64GB 6GB RAM, 128GB 6GB RAM

Main Camera

• Dual: 12 MP, f/1.7, 25mm (wide), 1/2.55", 1.4µm, dual pixel PDAF, Laser AF, 4-axis OIS, 16 MP, 50mm (telephoto), 1/3.1", 1.0µm, AF, 2x optical zoom
• Features: LED flash, HDR, panorama
• Video: 4K@30fps, 1080p@30/60fps, 1080p@120fps, 720p@240fps

Selfie camera

• Single: 8 MP, f/1.9, 22mm (wide), 1/3.2", 1.4µm, PDAF
• Features: HDR
• Video: 1080p@30fps

Sound

• Loudspeaker: Yes, dual speakers
• 3.5mm jack: Yes
• Note: 24-bit/192kHz audio

Comms

• WLAN: Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
• Bluetooth: 5.0, A2DP, EDR, LE, aptX
• GPS: Yes, with A-GPS, GLONASS, BDS, GALILEO
• NFC: Yes
• Infrared port: Yes
• Radio: FM radio
• USB: USB Type-C 2.0, USB On-The-Go

Features

• Sensors: Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, color spectrum

Battery

• Type: Li-Ion 3600 mAh, non-removable
• Charging: Fast charging 18W, 50% in 32 min (advertised)
• Talk time: Up to 27 h 30 min (3G)

Misc

• Colors: Moonlight white, Pure Black
• Models: Z01GD, Z01GS
• Price: About 350 EUR