ASUS ZenFone 5Z ZS620KL Dual-SIM 64GB Smartphone (Unlocked / Midnight Blue)

ASUS ZenFone 5Z ZS620KL Dual-SIM 64GB Smartphone (Unlocked / Midnight Blue)

ASUS ZenFone 5Z ZS620KL Dual-SIM 64GB Smartphone (Unlocked / Midnight Blue)

B&H # ASZF5ZBL MFR # ZS620KL-S845-6G64G-BL
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Product Highlights

  • GSM / 4G LTE Compatible
  • North American Variant
  • 12MP/8MP Rear Cameras
  • f/1.8 Aperture and 24mm Lens
  • Optical Image Stabilization (OIS)
  • 2.7/1.7 GHz Snapdragon 845 Quad-Core CPU
  • 64GB Storage Capacity + 6GB of RAM
  • 6.2" 2246 x 1080 Super IPS+ LCD Display
  • 24-bit/192kHz Audio with DTS Headphone:X
  • Android 8.0 Oreo
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Color: Midnight Blue

ASUS ZenFone 5Z ZS620KL Dual-SIM 64GB Smartphone (Unlocked / Meteor Silver) ASUS ZenFone 5Z ZS620KL Dual-SIM 64GB Smartphone (Unlocked / Midnight Blue)

This device is carrier-unlocked and should work fully with the carriers listed below with green bars. Yellow bars denote partial network coverage. A SIM card and service plan must be purchased separately. Network compatibility listed here is for reference only and does not guarantee phone compatibility.

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ASUS ZS620KL overview

  • 1Description

With a smart screen and smart cameras, the ASUS ZenFone 5Z ZS620KL Dual-SIM 64GB Smartphone is an intelligent choice for a feature-rich phone that provides sophisticated multimedia capabilities. Starting with the display, you get a 6.2" screen on a 5.5" body. How? ASUS manages this by pushing the screen to the edge for a 90% screen-to-body ratio. The display is smart, automatically detecting light and color, and altering the color temperature on the fly. It even knows when you're looking at it and will keep the display on until you stop. When the screen is on, it delivers a cinema-grade DCI-P3 color space on the Full HD+, Super IPS+ display for brilliant clarity, color, and contrast.

The ZenFone 5Z's smart cameras take all of the work out of enhancing your photos. The smart technology utilizes dual 12MP/8MP rear cameras and an 8MP front-facing camera. When snapping a photo, the 5Z analyzes the subject, detects what is, and adjusts the settings. When you take a portrait with either side, it intelligently gives you a close-up with a graduated bokeh effect for pro-level results. It even beautifies faces automatically, regardless of age, shape, skin tone, or gender.

Running the Android 8.0 Oreo operating system, this phone is powered by a 2.7/1.7 GHz Octa-Core processor (4 x 2.7 GHz Kryo 385 Gold, 4 x 1.4 GHz Kryo 385 Silver) and 6GB of RAM. You can store your apps, professional portraits, and enhanced images on 64GB of built-in storage, which can be expanded via an (optional) microSD card up to 2TB in size. Note that utilizing a microSD card will use the second SIM slot.

This phone is unlocked and compatible with GSM/4G LTE networks. If you travel a lot or have a separate work number, you can take advantage of the Dual SIM slots to access both accounts. Connect to the internet and other devices with built-in 802.11 a/b/g/n/ac 2.4+5 GHz dual-band Wi-Fi, Bluetooth 5.0, and Wi-Fi Direct. The ZenFone 5Z also supports NFC technology for making phone-to-phone data transfers or mobile payments.

Android 8.0 Oreo
The Android operating system integrates heavily with Google's services. Using the card-based Google Now, Android quickly surfaces information for you whenever you need it, powered by the same Knowledge Engine that runs Google's web search. It's a personalized and customizable OS, allowing you to add your favorite apps or widgets to your home screen. You can even download new themes using the Google Play Store, which offers access to millions of apps, games, books, music, movies, and more. Android 8.0 Oreo adds major productivity and security capabilities to the operating system. They've introduced Google Play Protect, which scans apps on your phone to detect harmful behavior. With the touch of the Home button, continue to work in apps while watching active videos in Picture-in-Picture mode. Other features include, faster boot speed, automatically turning on Wi-Fi when near saved networks, limiting background activity for little used apps, notification snoozing, smart text selection, and more.
GSM / 4G LTE Wireless Connectivity
This phone is designed to work on select GSM networks and is 4G LTE capable. LTE is an advanced cellular network data protocol capable of data speeds so fast that they compete with wired broadband Internet providers. With an LTE connection, this phone should have no problem streaming HD video, downloading apps, uploading photos, or anything else that requires a high-speed data connection. The phone is also backwards compatible with 3G and 2G data for instances when you can't get LTE. In addition to cellular wireless, this phone also features Bluetooth and Wi-Fi connectivity. Note: Not compatible with all cellular networks. Please make sure your provider uses a frequency or band that this phone supports. You can check which bands this phone works with in the Specifications.
North American Variant / US Compatible LTE
The ZS620KL is a US variant of the ZenFone 5Z. The ZS620KL's LTE radio is tuned to frequencies that are most often used in the United States and North America. It can also be used in other parts of the world; however, LTE access may be limited or unsupported, depending on the network. To ensure this phone will work with your carrier please check to make sure the frequencies your carrier uses are supported by this phone. The full list of compatible carrier frequencies can be found here, the frequencies this phone supports can be found in the product specs.
Dual Standby SIM (DSS)
Dual Standby SIM (DSS) allows you to lower your mobile costs when traveling while staying connected. With dual SIM card slots users have the freedom and convenience to access two different phone numbers. Additionally, the dual SIM card slots allow you to have two carrier options, such as having an international number and a national number. With Dual Standby SIM (DSS) users have to manually switch which SIM is active, when one SIM card is selected the other will not be able to make or receive phone calls or texts.
AI Scene Detection
Snap a photo and the 5Z will analyze your subject and match it to one of 16 scene types, figuring out what exactly it is. Is it the sky, a slice of pizza, or your dog? This technology is designed to figure it out and then optimize the camera settings to match, helping give you more perfect photos automatically. The 16 scene types include: People, Food, Dog, Cat, Sunset, Sky, Green Field, Ocean, Flower, Plant, Snow, Night View, Stage, Text, QR Code, and Tripod.
AI Photo Learning
When you tweak the settings of your images, the ZenFone 5Z will learn the types of settings you like on particular picture types. As it learns, it will start to recognize repeated image types and automatically make those changes for you.
Real-Time Beautification
When the phone detects that you're shooting a face, it will analyze over 2 million previous enhancements from 365 facial points, automatically making enhancements to produce a more natural and professional result.
AI Gallery
The 5Z intelligently organizes your photos based on type (Foot, Flower, Dog, etc..) or even by people's names through facial recognition. This is designed to make it easier to find the photos you are looking for in order to share them with others.
Strong Design
The body of the 5Z is constructed from special aerospace-grade aluminum and is covered by glass. This is meant to keep the phone light and strong. It's finished using zircon-sandblasting technology and an 8-layer optical coating process. A final varnish coat under the glass helps to give it a deep, rich luster.

The entire construction consists of a complex, 206-step process that includes little details, such as a TPU layer under the metal buttons for a more reliable and positive feel, as well as an anti-glare coating to help reduce reflections, improve image quality, and help hide the cameras from view.
AI Call Technology
In order to product clearer phone calls, built-in AI technology intelligently provides ambient noise cancelation in noisy environments. It will also boost quiet calls so they can be more easily heard.
Intelligent Apps
The ZenFone 5Z actively learns your favorite apps and is designed to intelligently predict the apps you'll most likely use next. It does this in order to make sure the apps launch quicker, and that app switching is seamless.
ASUS BoostMaster
BoostMaster is AI-powered charging, which is designed to dynamically adjust the charging rate, slowing down the 3300mAh battery's aging process.
Smart and Powerful Audio
Built-in stereo speakers are driven by a powerful NXP low-distortion dual Smart AMP, which is designed to provide deep, rich, and expansive sound. The dual Smart AMP intelligently monitors the speakers' performance to drive them louder if needed, while protecting them from damage. Overall, the speakers are 36% bigger than the ZenFone 4, with a 46% louder bottom speaker, and a 27% louder top speaker.
ASUS AudioWizard
Built-in profiles for different music types let you tailor the phone's settings to suit your listening tastes. The built-in profiles include Jazz, Rock, Pop, Dance, Classic, Vocal, and Normal. It also has a custom Listening Profile mode, which is designed to automatically calibrate the audio settings to suit your own ears.
Exclusive to ASUS, ZeniMoji lets you animate cute avatars using your own voice, facial expressions, and head movements. The avatars can be used in video chats, text chats, and live streaming.
Additional Features
4K/60p video recording with 3-axis electronic image stabilization
Take still photos while recording a video
720p/1080p 240 fps slow motion video recording
120 degree wide-angle lens on the 8MP rear camera for up to a 200% wider view
Day and Night HDR photo settings
Support for 24-bit/192kHz
Support for DTS Headphone:X for 7.1-channel virtual surround sound via headphones
Unlock your phone via facial recognition or a fingerprint sensor that is designed to unlock in just 0.3 seconds
AI Ringtone that adjusts ringer volume based on ambient noise levels
Triple noise-canceling microphones
LTE Cat 18 support for 1.2 Gb/s downloads, LTE 5CA 4x4 MIMO support, and up to 866 Mb/s download rate over 802.11ac
UPC: 192876020616

ASUS ZS620KL specs

Operating System Android 8.0 Oreo
Memory 6 GB
Chipset Qualcomm Snapdragon 845
CPU 2.7 GHz Qualcomm Kryo 385 Gold Quad-Core
1.7 GHz Qualcomm Kryo 385 Silver Quad-Core
GPU Adreno 635
Storage 64 GB
Size 6.2"
Native Resolution 2246 x 1080
Display Colors 16.0 Million
Aspect Ratio 19:9
Pixel Density 402 ppi
Display Technology IPS-Type LCD
Screen Coating Anti-Scratch
Input/Output Connectorsstwfvrstvvwzvrxtrv
Ports 1x USB 2.0 - Type C (Input/Output)
Audio 1x 1/8" (3.5 mm) Headphone/Microphone
Flash Media Slot 1 x microSDXC
SIM Card Size Card 1: Nano (Shared with Memory Card Slot)
Card 2: Nano (Shared with Memory Card Slot)
GSM 2G GSM, GPRS, EDGE: 850, 900, 1800, 1900 MHz
GSM 3G/3.5G UMTS, HSPA+: 850, 900, 1900, 2100 MHz
4G LTE LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41 Bands
Wi-Fi Yes, Wi-Fi 5 (802.11ac)
Bluetooth Bluetooth 5.0 + LE 
FM Radio Yes
Front Camera
Resolution 8.0 MP / Video: 1920 x 1080p 30fps
Aperture f/2.0
35mm-Equivalent Focal Length 24mm
Sensor Size 1/4"
Pixel Size 1.12 µm
Image Stabilization Digital
Front Camera Flash
Front Camera Flash No
Rear Camera
Resolution 12.0 MP / Video: 3840 x 2160p 30 fps
Aperture f/1.8
35mm-Equivalent Focal Length 24
Sensor Size 1/2.6"
Pixel Size 1.4 µm
Focus Type Phase-Detect Autofocus
Image Stabilization Digital, Optical
Secondary Rear Camera
Resolution 8.0 MP
Aperture f/2.0
35mm-Equivalent Focal Length 12
Pixel Size 1.12 µm
Sensor Size 1/4"
Image Stabilization Digital, Optical
Rear Camera Flash
Rear Camera Flash Yes
Sensors Accelerometer, Ambient light sensor, Compass, Fingerprint, Gyroscope, Proximity
Water Resistance None
Keyboard Virtual
Battery Internal Lithium-Ion (3300.0 mAh)
Fast Charging Technology ASUS BoostMaster
Dimensions (W x H x D) 3.0 x 6.0 x 0.3" / 75.6 x 153.0 x 7.7 mm
Weight 5.82 oz / 165 g
Packaging Info
Package Weight 1.13 lb
Box Dimensions (LxWxH) 6.75 x 3.8 x 2.85"

ASUS ZS620KL reviews

ZenFone 5Z ZS620KL Dual-SIM 64GB Smartphone (Unlocked / Midnight Blue) is rated 5.0 out of 5 by 6.
Rated 5 out of 5 by from Great phone I saw many hands on reviews of the Zenfone 5z before buying it. I really like the phone and it works great on T-Mobile. The Zen UI has many features some are similar to LG's interface and others are unique. The screen looks good. After a bit of use you don't notice the notch love it or hate it it really just disappears. I wish the headphone jack had more power output but its good that it even has one. Camera takes great pics. There's not much bloatware on this device. Battery lasts me all day and still has 40 to 50 percent (I'm a moderate user). The phone is very fast I came from an older flagship and don't miss it. This phone is truly a flagship on its own.
Date published: 2018-09-06
Rated 5 out of 5 by from A Flagship phone without a Flagship price. This is probably the best phone for the price. With a SD 845 processor, 6GB of RAM and 64GB of storage (2 TB of expansion), I can say it sets its value. Let's begin with the functionality. The finger print sensor is accurate and fast (almost too fast). The moment I touch the sensor, it unlocks immediately without any hiccups. The phone has dual speakers with good quality and loudness but, only the bottom speaker provides most of the sounds while the ear piece provides higher pitch noises. The 3.5mm headphone jack is presents and works well. The dual cameras have amazing quality, especially in low light. One 24mm lens and a wide-angle lens. I really appreciate the OIS which removes the shakiness of the camera. The front facing camera is average. The IPS LCD display is excellent and Is comparable with the Sony Xperia XZ Premium display at 1080p resolution. The battery life is surprisingly not that great. Based on my experience, it seems to drain easily with YouTube and other high bandwidth use, but I guess that's to be expected. But with the Quick Charge 3.0, it charges amazingly fast which is supplied with the phone. Other third-party chargers will work fine such as ANKER or AUKEY adapters. Unfortunately, there is no water resistance, so any accidentally falls in toilet or through rain will most likely damage it. Also, it seems there isn't many variety of phone cases available for this model (including Zenfone 5). The best case so far is the RhinoShield. Also, I use the Levono Z5 screen protector since it has the same dimensions as this. Now with the software. The UI is very smooth and functional. It kind of reminds me of Samsung's UI; loaded with many features that you will appreciate if you have the time to drive through them. The notch doesn't bother me at all, but you can enable a feature to black out the top to hide it. Wi-Fi coverage is not as good as I thought, but it is very reliable and never disconnects. Cell reception is excellent (including 4G), but that depends on your location and cell coverage; I have T-Mobile and no issues here. Beware it doesn't cover all bands (frequencies) your carrier provides. Overall, this phone is totally worth it for the price. Highly recommend it.
Date published: 2018-08-23
Rated 5 out of 5 by from Excellent Device After owning three HTC devices (HTC One+, M8 and 10) I was ready to test the waters and try something new that still had a 3.5mm headphone jack. My most important features were loud dual speakers for watching videos and listening to music, a good camera, good battery and good processor speed at a value oriented price. After doing extensive research online, including considering phones from Xiaomi and Huawei, I went in to look at the LG G7 but was dissapointed by the speakers and felt the phone was uncomfortable in my hand. I then came across the Asus Zenfone 5z. I was unfamiliar with Asus as a smartphone manufacturer, but was won over by the specs. I was thrilled when I saw B&H had a model on display that would allow me to test out the phone. Every feature, including loudness of speakers and quality of camera (including the wide angle lense) performed well and I bought the phone on the spot. After using is for around a month, some observations below: 1) Still thrilled with the purchase. Highly recommend to my friends. 2) Speakers sound fantastic. 3) Normal camera is very high quality and performs well in all conditions. Wide angle is cool, especially in well lit conditions, but is a bit grainy if you zoom in. Best for social media posts. 4) Processor power is great. Have never had a lag or frozen screen. 5) Battery life is fantastic. Normally have around 40% remaining at the end of the day after medium usage. I hope that the Smart Charing system extends the battery life (a deteriorated battery is why I upgrade phones every two years). The only cons are that sometimes the keyboard has a bit of a lag (or at least seems like it) and that strangely the headphone output is not super loud. The highest volume is still somewhat soft, which can be annoying in the city when you're trying to drown out your surroundings. Thrilled with the phone and happy to be part of the Asus family now! Hope they continue to promote the brand in the USA.
Date published: 2018-09-30
Rated 5 out of 5 by from A flagship phone for $500 I like the speed, the build quality is first class, nice looking and speedy phone. The wide angle lens opens up photo composition opportunities. The phone supports fast charging, something like 80% capacity in 30 minutes. It has a headphone jack and can support two SIM cards or one plus a micro SD card up to 2TB. it's a competitive phone market out there but I have other Asus products and trust them. I think the Asus Zenfone 5Z is s good choice for the price paid.
Date published: 2018-10-03
Rated 5 out of 5 by from Great Phone! Worth the price! Slick look with great performance and excellent priced. Worth every penny!!!
Date published: 2018-08-31
Rated 5 out of 5 by from Excellent Phone Pros: battery charge lasts more than a day and I love the fast charging display is really good. screen size is perfect Camera is good, I love the wide angle lens, but some of the pictures look washed out. need little bit of tweaking. I am still learning to use pro mode cons: does not support wireless charging camera needs update Overall there is no issues so far. it is really good price for a premium phone!!
Date published: 2018-09-04
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