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Asus ZenFone 2 review

7.8/10 AVG.
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Asus ZenFone 2
Asus ZenFone 2
Asus ZenFone 2
Asus ZenFone 2
Asus ZenFone 2
Asus ZenFone 2
Asus ZenFone 2

Informr score
The Asus ZenFone 2 currently has an Informr score of 7.8 out of 10. This score is based on our evaluation of 28 sources including reviews from users and the web's most trusted critics.

What's good

  • Snappy performance
  • Vivid and crisp display
  • Sturdy build

What's bad

  • Suffers from bloatware
  • Slow shutter speed
  • Not bright enough for sunlight legibility and too bright for night-time use

Asus hopes to make its mark in the smartphone market with the ZenFone 2 – a good unlocked phone offered at a relatively low price. It doesn't feature any premium materials, instead flaunting an all plastic build with a brushed aluminum finish. The finish combined with the curved back made it very comfortable for reviewers to hold while also providing a good grip. With that said, at 6 inches tall and 170 grams, many did find it to be a bit unwieldy and bulky.

The 5.5 inch IPS LCD display offers a full-HD resolution of 1,920 x1,080 pixels. While not as sharp as QHD screens, critics describe the screen as crisp with barely any discernible pixels. They add it offers excellent viewing angles and bright and vibrant colors though blacks tended to be a bit lighter than they expected. The only downside was in the screen's brightness. Many found it didn't get bright enough for good sunlight legibility or dark enough to comfortably view in the dark.

The ZenFone 2 offers two configurations: a 1.8GHz quad-core processor with 2GB of RAM and a quad-core 2.3GHz processor with 4GB or RAM. Experts all received the 2.3GHz quad-core version. When put to the test, it performed admirably during everyday use without a hitch and even when they started to put more pressure on the CPU with multitasking they didn't notice any problems. With that said, they add it does take a bit longer for apps to load and there were occasions where it got uncomfortably warm.

The biggest issue with the ZenFone 2 is the amount of bloatware preloaded on the phone. In total, experts counted 67 installed apps, many of which they immediately uninstalled to open up space. Battery life is decent though not great providing them with around a full day of juice with moderate usage.

At such a low price point, reviewers were expecting a more mediocre camera experience. For the most part they were proven wrong. Their pictures were generally detailed and accurate though it lacked the contrast of higher-end phones. The camera app provides 17 different modes to choose from though most either stuck with Auto or HDR. Surprisingly, low light pictures turned out fairly well thanks to the low-light mode PixelMaster, though critics point out that without optical image stabilization getting good low-light shots required a very steady hand. The biggest complaints were with its overall speed and poor focusing abilities. Still, consider it perfectly passable for posting photos on social media sites.

At the end of the day, most reviewers recommend the ZenFone 2. Android Central states, "If you're looking for a larger phone and don't need to have the absolute bleeding edge in every single aspect…the ZenFone 2 is here for your consideration." The Verge adds, "The ZenFone 2 still makes a fantastic package considering what you're paying." On the other hand Gizmodo says, "The ZenFone 2 is a fantastic phone for the money, but OnePlus redefined how much phone you could expect…"

Operating system
Operating system
2.3 GHz
2.3 GHz
Screen Size
Screen Size
13+ MP
13+ MP
3000 mAh

What the Critics Are Saying...

Android Guys
Android Guys

Overall I could not be more happy than to start my journey into the budget to mid-range devices with the Asus Zenfone 2. I picked this phone to start with, because I know Asus has a great track record for creating great products at affordable prices like the Nexus 7. Intel has also proven to be quit...

- Derrick Miyao, Android Guys

The ZenFone 2 Laser is, in mostly every way, the same as the ZenFone 2. The differences lie under the hood, which translates into a slight drop in performance, and in features, the most notable of which is laser-assisted auto focus. The price starts at $199 USD, putting it in the sweet-spot budget r...

- Brittany A. Roston, SlashGear

The Asus ZenFone 2 is the very definition of a "budget" phone; it doesn’t have a curved screen, it’s not at all water resistant, and it certainly isn’t the most attractive piece of hardware out there. But Asus found a way to pack the ZenFone 2 with a bunch of value, and not at the...

- Michael Desjardin, Reviewed

Despite some shortcomings, the Asus Zenfone 2 is easily one of the phones to beat in the value category.

- Mark Burstiner, TechnoBuffalo

Asus Zenfone2 presents a good overall package with high performance numbers. But the excessive bloatware can be a concern for many buyers. While Asus may think it is adding value for its users, not everyone likes unnecessary software shoved down their throats. The least Asus can do is give the optio...

- Nimish Sawant, tech2

Prices (Where to Buy)

Common Questions

We've got you covered! Download a free PDF copy of the Asus ZenFone 2 user manual here.

Asus backs up the ZenFone 2 with a 1 Year parts & labour warranty.

If your ZenFone 2 has problems and is still within its warranty period, you could contact Asus support or the retailer you purchased the phone from. You'll find Asus's contact information here. If your phone is off warranty and needs repair for a physical problem such as a broken screen or bad battery, you should visit an authorized service centre or a local phone repair shop. You can also connect with others in The Informr Community Forum to find and share answers to questions.


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Screen Size

The Asus ZenFone 2's screen size is 5.5 inches with 1080 x 1920 pixels resolution.

2.3 GHz

There is a Intel Atom Z3580 Quad core 2.3 GHz processor (CPU).


The phone runs on the Android 5.0 Lollipop (Update Available: 6.0 Marshmallow) operating system (OS).

13+ MP

You can take photos with the phone's onboard 13+ MP camera.

There is also a secondary front facing camera with 5+ megapixels resolution.

64 GB

Internal memory is 64 GB. An external, MicroSD, MicroSDHC, microSDXC (up to 64 GB) expansion slot is available for increased storage capacity.


The phone is powered by a Lithium Polymer (Li-Pol), 3000 mAh battery. Asus's performance ratings are 1680 minutes, 472 minutes Wi-Fi surfing.

ZenFone 2 Specs

Release Date March 31, 2015
Regions Available USA, Canada, United Kingdom
Operating System Android 5.0 Lollipop (Update Available: 6.0 Marshmallow)

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Processor Intel Atom Z3580 Quad core 2.3 GHz
Internal Storage 64 GB
Hearing Aid Compatible Yes
Noise Cancellation Yes
SAR Head: 0.351 W/kg
Body: 0.332 W/kg
Manufacturer Warranty 1 Year
Accessories Included AC Charger, Manual
Mobile / Cellular Data
Push-to-talk (PTT) No
Wi-Fi Calling Unknown
Voice over LTE (VoLTE) Unknown
SIM card size
Dual SIM No
USB Micro-USB 2.0
USB OTG Support No
Infrared No
Bluetooth 4.0
Bluetooth Profiles A2DP, AVRCP, OPP/FTP, HFP, HSP
Bluetooth Audio Codecs SBC, aptX
Wi-Fi 802.11 a/b/g/n
Mobile Hotspot Yes
Memory Expansion Slot Yes
Expansion Slot Info MicroSD, MicroSDHC, microSDXC (up to 64 GB)
Data Tethering Compatibility Yes
Main Camera
Resolution / Aperture
13+ Megapixels
Yes (Dual LED)
Additional Rear Camera Info
Auto focus, Effects, Face detection, Geotagging, ISO, Multi-shot, Panorama, Self-timer, HDR, Zero shutter lag
Video Recording Formats
3GP / 3GPP, H.264 / AVC, MPEG-4, WMV
Video Recording Parameters
Front Camera
Resolution / Aperture
5+ Megapixels
Additional Front Camera Info
Selfie Panorama
Video Recording Parameters
Display / Screen
Type Color
Technology LCD (IPS)
Colors 16.7 million
Resolution 1080 x 1920 pixels
Pixel Density 403 pixels
Size 5.5 inches
Secondary Display No
Sensors Ambient Light, Proximity, Motion / Accelerometer, Gyroscope, Digital Compass
Multi-Touch Yes
Fingerprint-Resistant Coating No
Additional Display Features Capacitive touch screen
Power & Battery
Battery Type Lithium Polymer (Li-Pol)
Battery Capacity 3000 mAh
Removable Battery No
Wireless Charging No
Fast Charging No
Video Playback Time Up to 514 minutes
Internet Use (Wi-Fi) Up to 472 minutes
Internet Use (Cellular) Unknown
Talk Time Up to 1680 minutes
Standby Time Up to 15 days
Mixed Usage
Physical Characteristics
Design Type Bar
Material Plastic
Colors Glacier Gray, Osmium Black, Glamour Red, Ceramic White, Sheer Gold
Dimensions [H x W x D] 15.2 x 7.7 x 1.1 cm (6 x 3 x 0.4 in)
Weight 170 grams
Water Resistant / Waterproof Unknown
Rugged design No
IP Rating No
Headset Jack 3.5mm
External Speakers Yes
Input / Navigation
Sleep / Wake Key Yes
Home Key Yes
Input / Keyboard Type Touchscreen
Navigation Type Touchscreen
External Volume Control Yes
Fingerprint Sensor No
Additional Information Other Names (AKA):
Related Links Quick Start Guide (PDF)
Manual (PDF)
Asus ZenFone 2 Reviews
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