ASUS Zenfone 6 Review

Asus launched Zenfone series Flagshio smartphone named Asus Zenfone 6 successor to Zenfone 5Z. Zenfone 6 was released Globally on May 18 2019. Zenfone 6 is priced at EUR499 In Europe @ 6GB + 128GB Base Variant.

Asus Zenfone was Launched in other 2 Storage variant with 8GB & 12GB Ram and 256GB & 512GB Variants.

Asus for the First time Released a New Desinged smartphones in the killer Flagship category. Asus has Made Several Changes From Zenfone 5Z Version to Stand Out In 2019. They had Improved the Display Size drastically and Adopted a Full HD+ Resolution Full View Display which is Very Smooth and Fast. Asus Has Concentrated in the Camera department and Adopted the Dual camera Flip setup with 48MP + 13MP Camera sensors which include Main and Ultra wide-angle Lens which we can see in zenfone 5Z. The back camera acts like front camera and flips up when we take selfies. By this mechanism we can get great and equal resolution Pictures on front and rear. Asus done this experiment to Achieve the Bezel-less Display. This Flip camera looks cool and there is no other smartphone in market with this Camera. Samsung A80 also have Flip rotating Mechanisam but it did not went to sale in any of the Markets.

Asus Zenfone 6 features the Snapdragon chip from Qualcomm named SD 855 which is available on Blackshark 2, LG G8 Thinq and Oneplus 7 Pro too. this chip is made of 10nm LPP (Low Power Plus) FinFet process. this processor is divided into 3 parts; the first part features 3 x A76 High power cores which are clocked at 2.42GHz, second part features 4 x A55 high powered cores which are clocked at 1.8GHz and Third Part consists of an A76 Single core which is clocked at 2.84GHZ. it has Adreno 640 GPU which increases its work by 20% compared to SD 845 the last Flagship processor from Qualcomm. it has an X24 LTE Modem which has Download and Uploads speeds of 2000 & 316MBPS. Coming to the AI Department it does not have Ai built in the processor, it has AI Optimizations which helps in AI Capabilities.

I will divide the review into pros & cons. let’s see quick specs of Asus Zenfone 6 and Jump into the review.

Asus Zenfone 6 Specs

asus zenfone 6
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  • 6.5” FHD+ 3120 x 1440 18:9 IPS LCD and Supports HDR 10+
  • Qualcomm Snapdragon 855 CPU
  • Adreno 640 GPU
  • 6 / 8 / 12 GB LPDDR4X Ram
  • 128 / 256 / 512 GB Internal Storage.
  • Dual Camera: 48MP F/1.8 (main) + 13MP F/2.4 PDAF ( Wide angle)
    4K@30fps, 1080p@30fps Video Recording
  • Motorized Pop-up Camera Module from the back (Rotating rear camera)
  • 5000mAH battery with Quick charging 4.0 support
  • Android One 9.0 Pie with Zen UI on top
  • Liquid Cooling System / Stereo Speakers
  • Rear fingerprint scanner / Volte / Dual GPS
  • WiFi / Bluetooth 5.0
  • USB – C 2.0 / NFC / Dolby Atmos  

6.5” Full HD+ IPS LCD Screen :

Here in Display Department, Asus Zenfone 6 Features an Excellent Full HD IPS LCD panel Notchless Edge screen with 403 pixels per inch, the colours are a bit vibrant and enjoyable, viewing angles are also Excellent. There are No issues & problems with screen quality. It is very bright to see in direct sunlight. there is also Support to View HDR 10+ Which is quite common in all Flagship Smartphones.

Stereo Speaker and Headphone Jack:

In Asus Zenfone 6, Asus Used the Stereo Speaker System and it is Much louder. these speakers are supported by Dolby DTS X Sound technology (Dolby Digital, Dolby Digital Plus, Dolby Atmos) which helps to get clear sound output from the mobile speaker.

Asus Has Included Headphone jack In asus zenfone 6 Smartphones which is a good thing in my opinion. All the brand are not taking interest of headphone jack and removing it. Coming to 3.5mm and earphones, the 3.5mm port provides a punchy and clear sound. there are headphones in the Box which sounds good. In software Asus Included DTS Headphone Mode to enjoy a clear output from Smartphone.

Build Quality :

zenfone 6  is Build with a Series Aluminium Frame on the side on Back & Front of the Device Is Protected with Corning Gorilla Glass 6. it provides a good look and feels Because it is made with 6000 Series Aluminium and Glass. There are no issues of creakiness with the build quality. Zenfone 6 well built and the bezels are shrunk down to place a 6.4” IPS LCD screen. Asus has included a pretty nice soft clear case with asus zenfone 6 to protect the smartphone right out of the box.


Asus Zenfone 6 has a unique design. The Flip pop-up camera is good and back side look of the smartphone is very nice. We can feel the design when we hold it.

Rear Fingerprint scanner: 

Asus Zenfone 6 Features a Rear mounted fingerprint sensor which is present on the Rear topFront of the smartphone below the camera unit. By performance, it is fast and very accurate to recognize the fingerprint of the user.F

Weight balance: 

Asus Zenfone 6 feels A bit Heavy with 6.4” Screen and 5000 mAh battery equipped. This zenfone 6 can be used by one hand. The weight balance is done well on the device though it is made Up of 6000 Series Aluminum and Glass On Front and Back of the Device.

Battery life:

My Asus Zenfone 6 lasted a Full Working day with heavy usage and at the end of the day, I had 38% of charge left in the phone which is good for a 5000 mAH Battery. We got 6.5 to 7 Hours of Sot( Screen on time) on using Mobile data which is good. you will get above 9 hr Battery life if you use Continuously on WiFi. The ideal drain of Zenfone 6 is very low. the 18W Quick charging makes a difference and charges the phone in 120 min which is a bit good.

Zen UI Based On Android 9 Pie :

Zen UI 6 present on the Zenfone 6 is very fast & so fluid, No lags were noticed. It is a clean UI Which gives Stock Android Like Experience. There are some extra features like Dual Apps, Direct video calling feature, Always on Display in this Oxygen Os making Zenfone 6 Perfect.

We cannot get Upadates On System Optimization, Security patches and New Android Version upgrades because it is a custom OS. If we get the updates the updates are very slow compared to a stock Android Branding Smartphone.


My Asus Zenfone 6 managed to do day to day tasks very well and there are No issues and problems with the UI. there are no heating issues with Asus Zenfone 6. It Feels a bit warm In Outdoor Conditions While Recording 4K Videos and Gaming, But From Inside it will be cool Due Cooling System and heat transferring pipe.

Ram Management : 

Ram Management is not well on this Zenfone 6 device. it features 6 / 8 / 12GB ram variants and I did not notice any lags with the 6GB Ram device and there are reloading of apps on this Zenfone 6. even the Multitasking experience is average.

Coming to Gaming, we played Asphalt 9 & PUBG at highest graphics setting without lags & frame drops in the game. We had a smooth game play and does not heats much.


In Asus Zenfone 6, Out of 128GB, 256GB Storage, we get 106GB, 240GB & 490GB With Google Account Included. We can also expand the storage by using Micro SD card upto 1 TB.

Call Quality :

The Call quality on Asus Zenfone 6 is outstanding and there are no issues with cellular call quality. We have taken long calls in a day, and the other party doesn’t complain about call Quality. The earpiece is present in Top Bezel Which Acts as a Stereo Speaker Too. In Asus Zenfone 6 the Calls are very clear through the Loudspeaker.


asus zenfone 6
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Coming to the Camera Department, Asus Zenfone 6 features a Dual Flip Camera setup on the back of the device and that is used as selfie camera also. This Camera Module work perfectly in asus zenfone 6. lets divide the cameras and look at the performance of them

1. 48MP Primary Camera: the 48MP main Camera is Awesome and features a Fixed Aperture of F/1.8. Zenfone 6 has both PDAF & LASER Autofocus systems. The daylight pictures are excellent and contain excellent details Which are like the natural photo. Exposure is in control with a Decent Dynamic range to take good pictures in good lighting Conditions. In low light Conditions, the images are clear and Sharp without noise which is good to see. Autofocus is very fast due to laser and PDAF systems. By default Asus Zenfone 6 takes 12MP photos which are clear and moreover you have a option to shoot photos in 48MP which have more details and image size is also very large than 12MP Photos.

2. 13MP Ultra Wide Angle Camera: the 13MP ultra wide angle lens on Asus zenfone 6 is not sensitive as the Main camera unit because of the Fixed Aperture of F/2.4. it captures a much wider picture in 116 field of view with a bit details. exposure is in control with a decent dynamic range. in low lighting conditions, the 13MP camera is also like 48MP Main Camera captures good photos with decent sharpness. I low light the images are average to look. All are good but the noise levels are high and spoils the image.

Asus has Optimized the Camera algorithms to get clear photos without the help of OIS. The first feature is HDR+, it en enhances the photos and shows a clear difference from normal photo and HDR+ Photo. The dynamic range, Exposure, sharpness and Details are very well in this image. The HDR+ Enhanced mode spoils the Image quality and is nearly done what better to normal photo.

Video recording can be done up to 4k@60fps .the video footage has excellent Colours with great sharpness and decent dynamic range. Stabilization is good in 4k@60fps And 1080p FHD recording Due to Electronic Image Stabilisation. The tabilization is disabled in 1080p @ 240fps & 720p @ 480fps. The video quality in the low night conditions is very good with good Sharpness and Decent Dynamic range Due to night mode. The wide angle camera also captures the videos very perfectly but you have to mind the quality of it.

Slow Motion video Recording is Good in 1080P.

In Box Contents:

In Asus Zenfone 6 smartphone box Asus provided 3.5mm DTS-X headphones, USB-C cable, 18W Fast charger and a protective case which is good for Flagship Smartphone.


  • Snappy software without Bloatware
  • Value for Money Hardware
  • Smart key option is very useful to open our favourite app in glance
  • Wideangle camera is a great edition
  • provides battery life easily upto 2 days
  • Reverse charge like a powerbank


  • Auto brightness is not nice, have adjust manually everytime
  • No Water resistance
  • HDR+ Enhanced need to improve


Who can Get Asus Zenfone 6 view:
if you want a True Flagship Phone with LCD Full HD+ screen, with Snapdragon 855 processor and 18W Wired fast charging, 48MP + 13 MP Dual Camera Module Setup & Zen UI then you can go with Zenfone 6. If you want the Same Full-Screen Design Smartphone then

Samsung Galaxy A80

iPhone XR

Mi 9

LG G8 Thinq

OnePlus 7 can be your Alternatives to Asus Zenfone 6.

If you are using Asus Zenfone 6 then Share your experiences with us in the comment section below, share the Review and Stay tuned to MobiRadar for more Reviews like this


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