Asus Zenfone 4 Pro ZS551KL

GSM / HSPA / LTE

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

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

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

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,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

2017, August

Available. Released 2017, October

175 g (6.17 oz)

Front/back glass (Gorilla Glass 5) & aluminum frame

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

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

AMOLED capacitive touchscreen, 16M colors

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

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

Corning Gorilla Glass 5

Android 7.1.1 (Nougat), upgradable to Android 8 (Oreo); ZenUI 4

Qualcomm MSM8998 Snapdragon 835 (10 nm)

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

Adreno 540

microSD, up to 512 GB (uses SIM 2 slot)

64/128 GB, 6 GB RAM

LED flash, HDR, panorama

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

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

HDR

1080p@30fps

8 MP, f/1.9, 1/3.2", 22mm (wide), 1.4µm, PDAF

Yes, dual speakers

Yes

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

Yes

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

5.0, A2DP, EDR, LE, aptX

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

FM radio

Type-C 1.0 reversible connector

Yes

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

- Fast battery charging: 50% in 32 min

Non-removable Li-Ion 3600 mAh battery

Up to 27 h 30 min (3G)

Moonlight white, Pure Black