Asus Zenfone 4 Pro ZS551KL Specifications

8 MP, f/1.9, 22mm, 1.4µm pixel size, phase detection autofocus, 1080p, HDR

25mm (1/2.55" sensor size, 1.4 µm pixel size), 50mm (1/3.1" sensor size, 1.0 µm pixel size), geo-tagging, touch focus, face detection, HDR, panorama

Dual 12 MP (f/1.7, 25mm, OIS, 4-axis, PDAF & laser AF) + 16 MP (50mm), 2x optical zoom, autofocus, LED flash

2160p@30fps, 1080p@30/60fps, 1080p@120fps, 720p@240fps

156.9 x 75.6 x 7.6 mm (6.18 x 2.98 x 0.30 in)

175 g (6.17 oz)

Hybrid Dual SIM (Nano-SIM, dual stand-by)

Moonlight white, Pure Black

About 850 EUR

Yes

5.0, A2DP, EDR, LE, aptX

FM radio

Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot

Type-C 1.0 reversible connector

Yes

Yes, with A-GPS, GLONASS, BDS, GALILEO

Yes, dual speakers

Vibration; MP3, WAV ringtones

Yes

- 24-bit/192kHz audio - DTS sound enhancement - Active noise cancellation with dedicated mic

2017, August

Available. Released 2017, October

microSD, up to 256 GB (uses SIM 2 slot)

64/128 GB, 6 GB RAM

Up to 27 h 30 min (3G)

Non-removable Li-Ion 3600 mAh battery

1080 x 1920 pixels, 16:9 ratio (~401 ppi density)

Corning Gorilla Glass 5

Yes, up to 10 fingers

AMOLED capacitive touchscreen, 16M colors

5.5 inches, 83.4 cm2 (~70.3% screen-to-body ratio)

- Asus ZenUI 4.0

GSM / HSPA / LTE

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

HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100

GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2

HSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat12 600/150 or 100 Mbps

Yes

Yes

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

SMS(threaded view), MMS, Email, Push Email, IM

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

HTML5

No

- Fast battery charging: 50% in 32 min - MP3/WAV/eAAC+ player - MP4/H.264 player - Document viewer - Photo/video editor

Qualcomm MSM8998 Snapdragon 835

Adreno 540

Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)

Android 7.1.1 (Nougat)