Asus

Asus ZenFone 4 Pro (2017)

Android OS v7.1.1 (Nougat)
Qualcomm Snapdragon 835 MSM8998
Adreno 540
6 GB / 64 GB
5.5 inch (1080 x 1920 px)
12 MP, 4032 x 3024 px, autofocus

The manufacturer offers this phone with a 5.5 inch AMOLED display, a Qualcomm Snapdragon 835 MSM8998 SoC, and 6 GB of RAM.

Is the cost justified by its features? I'll strive to answer that by the end of my review.

Table of Contents

This article shares our personal experiences and thoughts about using the Asus ZenFone 4 Pro smartphone. We hope to offer helpful insights to others interested in this device.

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Asus ZenFone 4 Pro specifications

BrandAsus
NameZenFone 4 Pro
ModelZS551KL
Release date2017

Weight, dimensions, colors

Weight6.17 oz
Dimensions6.18 x 2.98 x 0.3 inch
Colorsblack, white
SIM typeNano SIM

The weight of Asus ZenFone 4 Pro is about 6.17 oz with battery. This is average for smartphones of the same size. Smartphones use a Nano SIM as a small chipcard for a subscriber identity module (SIM).

System, chipset, performance

OS versionAndroid OS v7.1.1 (Nougat)
SoCQualcomm Snapdragon 835 MSM8998
CPUOcta-core, Quad-core 2.45 GHz Kryo, Quad-core 1.9 GHz Kryo
GPUAdreno 540

The Asus ZenFone 4 Pro comes with Android OS v7.1.1 (Nougat) out of the box. Google has integrated many services with Android. These include Google Maps, Gmail, and Google Drive. It's a powerful Qualcomm Snapdragon 835 MSM8998 octa-core processor. It can handle complex tasks and run many applications. Qualcomm's Snapdragon processors work with Adreno GPUs. The processors are designed for the GPUs.

Display type, size, resolution

Display typeAMOLED
Screen size5.5 inch
Resolution1080 x 1920 px
Multitouch supportyes

The 5.5 inch phone comes with AMOLED display. Smartphones use the AMOLED, which is a type of OLED display. The 5.5 inch display make this smartphone pocket-friendly. The size of the screen is measured diagonally, from corner to corner.

Asus ZenFone 4 Pro / 1

Memory, storage

RAM6 GB
Internal storage64 GB
Memory card slotmicroSD

The Asus ZenFone 4 Pro comes with 6 GB of RAM, which is considered to be sufficient for most users' needs. Having more RAM alone does not guarantee better performance. 64 GB of storage is usually seen as good for a smartphone. It should be enough for most users. We can expand the internal storage (64 GB) with a compatible microSD card.

Cameras, flash

Main camera12 MP, 4032 x 3024 px, autofocus
FlashDual LED
Selfie camera8 MP

This single camera can be enough for many smartphone users, it depends on their photography needs and preferences. The ZenFone 4 Pro does not have optical image stabilization (OIS).

Connectivity, network, wireless

GSM 2G bands850 / 900 / 1800 / 1900
Network coverage2G / 3G / 4G
Wi-FiWi-Fi 802.11 b/g/n/ac
Bluetoothv5.0, A2DP
GPSA-GPS, GLONASS
NFCyes
FM radioyes
USBUSB Type-C
Headphone3.5 mm jack

The Asus ZenFone 4 Pro supports 4G/LTE networks. This phone like all modern smartphones, is capable of connecting to Wi-Fi networks. The ZenFone 4 Pro smartphone is capable of connecting to Bluetooth devices. This phone has a built-in GPS. This phone is NFC (Near Field Communication) capable. The 3.5 mm headphone jack allows us to connect wired headphones or earphones to the device.

Battery type, capacity, charger

TypeLi-Po 3600 mAh, non-removable

The Li-Po 3600 mAh, non-removable battery gives the smartphone a good battery backup. The lithium polymer (Li-Po) battery is a light-weight, rechargeable battery. The battery of ZenFone 4 Pro isn't removable without voiding the warranty.

Features, sensors, specials

Sensorsaccelerometer, compass, fingerprint, gyroscope, hall, light, proximity
SpecialsCorning Gorilla Glass, Dual SIM, ZenUI

Today, smartphones come with many sensors. They help make the user experience better. The accelerometer provides information about the smartphone's movement in three axes. These are X (horizontal), Y (vertical), and Z (depth). The ZenFone 4 Pro phone has a fingerprint scanner. The light sensor detects the level of light in the environment. Dual SIM is great for businesses. They want to give staff a device with separate numbers and bills for personal and business use. Gorilla Glass is very scratch resistant. It reduces the likelihood of everyday scratches and abrasions.

Verdict, pros and cons

Every phone has its strengths and weaknesses, and this Asus phone is no exception. As with any device, there are aspects that shine and others that fall short. By examining both sides, we can paint a complete picture of what this phone has to offer. Let's explore its standout features and areas for improvement. Remember, this is just my opinion, and yours might be different.

Pros

  • AMOLED display
  • adequate memory
  • microSD slot
  • Dual SIM support
  • Corning Gorilla Glass shield

Cons

  • limited-size screen
  • single camera setup
  • no OIS function
  • no 5G support
  • low-capacity battery
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Lucas Bradley I'm Lucas Bradley, the founder of the Phone42.com site. I love technology, especially smartphones, and I've been working with tech stuff for more than 20 years. This means I've seen a lot of changes and have learned a bunch about what makes a good phone. On Phone42.com, I look at all kinds of phones. They can be from big, well-known companies or new ones trying to make their mark. I want to help people understand what's new and cool in the world of smartphones, in a way that's easy to get.
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