ASUS ZenFone 3 Max (ZC520TL) Review

ASUS launched the Zenfone 3 Max in India this November and it appears to be more of a battery-life-oriented smartphone (4,100 mAh). About 5.2-inch in size, this smartphone is also protected by a strong metallic shell with a 2.5D curved glass on the front. Read more about ZenFone 3 Max in the following review.


What’s in the Box

  • ASUS ZenFone 3 Max (ZC520TL) with built-in battery
  • Micro USB cable
  • USB OTG Cable
  • Power Adapter (5V, 2A)
  • User Manuals and Warranty Card

ASUS ZenFone 3 Max (ZC520TL) Specifications

  • Display: 5.2-inch IPS HD Display (1280 x 720 pixels resolution) with 2.5D curved glass
  • Fingerprint Scanner: Yes, at the back
  • Software: Android 6.0 Marshmallow with ASUS ZenUI 3.0
  • CPU: 1.25 GHz Cortex-A53 quad-core processor, MediaTek MT6737M SoC
  • GPU: Mali-T720 MP2 (650 MHz)
  • Memory: 2 GB LPDDR3 RAM OR 3 GB LPDDR3 RAM
  • Storage: 16 GB OR 32 GB internal storage, MicroSD support up to 256 GB
  • Main Camera: 13 MP f/2.2, LED flash, 1080p @30fps
  • Front Camera: 5 MP f/2.0, 1080p @30fps
  • Connectivity: Micro USB, 3.5 mm stereo jack, Wi-Fi 802.11 b/g/n, Bluetooth 4.2, NFC, A-GPS, GLONASS
  • Cellular: 4G LTE, Hybrid SIM Tray, Micro + Nano SIM (GSM + GSM), VoLTE-enabled
  • Battery: 4,100 mAh Li-Ion (non-removable)
  • Dimensions: 149.5 mm x 73.7 mm x 8.6 mm
  • Weight: 148 grams
  • Colors: Gold, Silver, Gray, Rose Gold
  • Price: ₹12,999
  • Warranty: 1 Year Warranty

Design and Build

As compared to the previous ZenFone Max, the new ZenFone 3 Max has been updated its design to metallic unibody whereas the ZenFone Max used plastic materials. The back of the phone feels very soft matte finish. This is the budget smartphone from the ASUS ZenFone 3 series priced at ₹12,999.

The metal unibody and its 2.5D curved glass make it interesting to hold. In fact, other higher variant ZenFones also use the same design combination such as the ZenFone 3 laser. ZenFone 3 Max is 148 grams in weight and 8.6 mm thick.



No Laser Focus, Single LED Flash

Max this time uses a fingerprint scanner which was already missing on the old ZenFone Max. The battery has been degraded from 5,000 mAh on the old ZenFone Max to the 4,100 mAh on this one. I think it is due to the less thickness and lightweight of the new model, anyways.

On the back you will find a 13 MP camera which appears to be the same camera used from ZenFone Max but without a laser autofocus. Yes, you will miss the laser autofocus on the camera. The front has a 5 MP camera.

What’s more I noticed is the navigation buttons are now inside. There aren’t any external navigation buttons but ASUS branding on the free space at the bottom. While others from ZenFone 3 series are using the external navigation buttons. Many People are confortable with the buttons given outside but that’s just what I think. Is it?

The speakers behind can be blocked when placed on a flat surface and they aren’t really loud as the ASUS ZenFone Max 3 Laser. They sound average.


ASUS Moved To On-Screen Navigation Buttons



Moving to the bottom of the device, you can find a Micro USB and a microphone. The top has a 3.5 mm headphone jack and another microphone. The right side has a power key and volume keys, the left has hybrid SIM tray. It has dual SIM capabilities, supports 4G network with VoLTE. The SIM 1 tray a micro SIM and SIM 2 holds a nano SIM (GSM + GSM). The second slot can be either used for one nano SIM or a MicroSD card (GSM + MicroSD).



ASUS ZenFone 3 Max flaunts a 5.2-inch HD IPS display (1280 x 720 pixels). With a 720p display, the 4,100 mAh battery can give the device a boost in battery runtime. Being a user of Moto X (2013), a 720p is good for 5 inchers or less than that. A 720p screen is modest for 5-inch smartphone and it also consumes a lot less battery than the 1080p counterpart. Remember ZenFone Max? It too uses a 720p display with massive 5,000 mAh battery making it the longest survivor in terms of battery life among ASUS smartphones.


Talking about the display quality, the bright areas appear somewhat brighter than usual, and a decent quality display at this price. The viewing angles are good. As the display is reflective and prone to smudges, it may be a little problem in viewing under sunlight areas otherwise are good in indoors.

Software and User Interface

The ASUS Zenfone 3 Max also comes with the Android 6.0 Marshmallow OS with ZenUI 3.0 on top. Since the operating system and its UI is same as the other ZenFones 3s, the features remain the same. It uses the recent Android security patch from August 2016.


As the processor is an entry level, the processing power is mediocre and you may feel a bit lousy performance at times. The system does lag, not every time but on load when you try to do multiple things at the same time. Nothing to talk much about the UI, we have already covered software part in other ZenFone reviews.



Now as it has the fingerprint scanner on the back, this is quite fast and better than those in this price range. The fingerprint scanner can be used to unlock the phone without pressing the power button. It uses some gestures like answer incoming calls using the scanner.



Hardware, Performance and Gaming

Moving to the specs, the ZenFone 3 Max uses a mediocre system on chip, MediaTek MT6737 with Mali-T720 GPU. According to the benchmarks, the performance, despite having 3 GB RAM, is even weaker than the old ZenFone Max having a Qualcomm Snapdragon 615 chip.

I did face some lags while multitasking but overall it can be a decent performer if you do less multitasking. The phone doesn’t play 4K videos. Even if you try, it struggles at playing 4K videos on third party media players. In addition, any heavy usage or multitasking can slow down the system. Otherwise can be enough for as a daily driver.



The benchmarks is no good than its predecessor, AnTuTu gave slightly less score 30,041 points comparatively, though it’s too far from its competitors.

Geekbench 4 gave a score of 566 points and 1,428 points on singlecore and multicore CPU benchmark respectively. The GPU benchmark on Geekbench 4 scored 755 points.

The Quadrant benchmark scored 12,938 points.





If you are a gamer, you might want to go for a better one, however. Mali-T720 should handle entry level games with ease, but, high end or demanding games barely run on it due to its low-profile CPU.

Games Tested on ASUS ZenFone 3 Max:

  • Sonic Dash
  • Bad Land 2
  • Trials Frontier



As for the temperature, no worries about the heating, the CPU itself is weak and doesn’t heat the phone much.

Storage and Connectivity

It’s good that ZenFone 3 Max provides a 32 GB internal storage out of which you get 24.02 GB free. As the Hybrid tray holds a MicroSD slot, the storage can be expanded with of course losing one SIM slot.


The storage performs on ZenFone 3 Max is very similar to the older ZenFones. Benchmarks on A1 SD Bench show that the storage has 64.55 MB/s and 75.54 MB/s read and write speed of respectively. On the other hand, the AndroBench shows the random read speed of 19.32 MB/s and the random write speed of 9.25 MB/s. 196.35 MB/s read and 65.52 MB/s write as sequential speed respectively.



The 13 MP snapper can be very similar to its older siblings from ZenFone 2 series. The camera also does not support laser autofocus and just single LED flash. Although the camera can be as decent if you check those samples below.

ASUS ZenFone Pegasus 3

Camera Specifications

  • Camera: 13 MP f/2.2, LED flash, 1080p @30fps
  • Optical Image Stabilization (OIS): N/A
  • Rear LED Flash
  • Features: Geo-tagging, Tap to focus, HDR, Beautification, Super Resolution, QR code, Low Light, Night, Effect, Selfie, Panorama, Time lapse
  • Video Recording: Up to 1080p video @30 FPS
  • Front Camera: 5 MP
  • Front Flash: N/A

The camera boasts the flat design, i.e. no camera bump. Most devices come with a bump.

The camera software is trimmed down, there are fewer features the camera supports. Modes like HDR, Beautification, Super Resolution, QR code, Low Light, Night, Effect, Selfie, Panorama, and Time lapse are supported. No slow motion and manual mode supported.

ASUS ZenFone 3 Max Camera Samples

I never really thought the camera could perform this good. The camera performance is very good at this price. It might be identical or somewhat better than the Zenfone Max itself. The front camera seems to be same as the ZenFone Max. As the autofocus is missing, you still have a good camera package overall that does the job. Video capabilities are average but for snappers, it’s can’t be worth the denying.

Battery Runtime

The battery life is remarkable, runs around 2 days straight, thanks to its 4,100 mAH capacity. As we know, all the Zenfone Max series smartphones are better in battery life. I believe, the Max refers to maximum battery life but that’s just I think.

Actual battery life can vary depending upon the usage. Our moderate or mixed usage gives around 3 days battery backup which is pretty good at this price while the minimum usage drains the battery around 4 days and a few hours. Heavy usage can go anywhere between a day and a half to two since the CPU is very light on resources.

Moreover, I found that the CPU is mediocre for common tasks and multi-tasking can be a problem but well, it does give a long lasting battery life. Indeed, the power management modes can be used to extend the battery life further.


ASUS ZenFone 3 Max Battery Test Table

[table id=68 responsive=flip /]


People already wants a phone with longer battery life and you are the one, consider it if you like the brand value. There are some alternatives to it like the Xiaomi Redmi Note 3 which also comes to play when it’s a showdown for the battery runtime, but only if you want a phone without a recognized brand and yes, the camera of course. Even though its smaller sized form factor, I like the design, the camera, and its battery life. What I would expect here would be a better CPU at this price range. Overall, the long battery run is a deal breaker. Not to mention it can charge other phones, consider it also as a 4,100  mAh pocket power bank.


  • Strong Built
  • Decent Camera
  • Long Battery Life
  • Fast Fingerprint Scanner


  • Mediocre CPU processing
  • Weak Touch Responsiveness, Prone to Smudges