




Key Specifications
- Display: 5.5 inches, 83.4 cm2 (~70.3% screen-to-body ratio) screen for immersive viewing experience
- Camera: 16 MP camera system for high-quality photography
- Performance: 6 RAM for smooth multitasking
- Storage: 64GB/128GB storage, microSDXC internal storage for apps and media
- Battery: 3600 mAh battery for all-day usage
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 |
Speed | HSPA 42.2/5.76 Mbps, LTE (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 | Nano-SIM + Nano-SIM |
Display
Type | AMOLED |
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 |
Sound
Loud Speaker | Yes, dual speakers |
Comms
WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
Blutooth | 5.0, A2DP, EDR, LE, aptX |
Positioning | GPS, GLONASS, BDS, GALILEO |
NFC | Yes |
Infrared Port | Yes |
Radio | FM radio |
USB | USB Type-C 2.0, OTG |
Battery
Type | Li-Ion 3600 mAh, non-removable |
Features
Sensors | Fingerprint (front-mounted), accelerometer, gyro, proximity, compass |
MISC
Colors | Moonlight white, Pure Black |
Models | Z01GD, Z01GS |
Disclaimer: We cannot guarantee that the information on this page is 100% correct. |
FAQs
This device doesn't have an official waterproof rating.
No, this device doesn't support 5G networks in USA.
Zenfone 4 Pro ZS551KL comes with Android 7.1.1 (Nougat), upgradable to Android 8 (Oreo), ZenUI 4 out of the box.
No, this device doesn't support wireless charging.
The Zenfone 4 Pro ZS551KL features a 3600 mAh battery capacity.
The Zenfone 4 Pro ZS551KL comes with a 16 MP main camera.
The Zenfone 4 Pro ZS551KL features a 5.5 inches, 83.4 cm2 (~70.3% screen-to-body ratio) display. With 1080 x 1920 pixels, 16:9 ratio (~401 ppi density) resolution for crisp and clear visuals. The AMOLED technology ensures vibrant colors and excellent viewing angles.
The Zenfone 4 Pro ZS551KL is equipped with 6 RAM for smooth multitasking and performance. Combined with the Qualcomm MSM8998 Snapdragon 835 (10 nm) processor, it delivers excellent performance for daily tasks and gaming.
About Zenfone 4 Pro ZS551KL
The Zenfone 4 Pro ZS551KL by Asus was released in , October and represents a significant addition to the smartphone market. Featuring a 5.5 inches, 83.4 cm2 (~70.3% screen-to-body ratio) display, a 16 MP camera system, 6 of RAM, and 64GB/128GB storage, microSDXC of storage, and a 3600 mAh battery, this device offers a compelling combination of features for modern smartphone users.
Powered by the Qualcomm MSM8998 Snapdragon 835 (10 nm) processor, the device is equipped with a 3600 mAh battery This combination ensures reliable performance and extended battery life for daily use.
Expert Analysis
Our team of mobile technology experts has analyzed the Zenfone 4 Pro ZS551KL specifications to help you understand how this device compares to other smartphones in its category. This comprehensive guide provides detailed insights into the phone's capabilities, performance potential, and suitability for different use cases.
Key Highlights
- Display: 5.5 inches, 83.4 cm2 (~70.3% screen-to-body ratio) screen for immersive viewing experience
- Camera: 16 MP camera system for high-quality photography
- Performance: 6 RAM for smooth multitasking
- Storage: 64GB/128GB storage, microSDXC internal storage for apps and media
- Battery: 3600 mAh battery for all-day usage
Who Should Consider This Phone?
The Zenfone 4 Pro ZS551KL is ideal for users who prioritize ample storage, and reliable battery life. Whether you're a casual user, content creator, or business professional, this device offers the features you need for modern smartphone usage.
Why Choose Zenfone 4 Pro ZS551KL?
The Zenfone 4 Pro ZS551KL stands out in the competitive smartphone market with its impressive 5.5 inches, 83.4 cm2 (~70.3% screen-to-body ratio) display, advanced 16 camera system, and powerful Qualcomm MSM8998 Snapdragon 835 (10 nm) processor. This combination makes it an excellent choice for users seeking a reliable, feature-rich smartphone.
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