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ASUS ZenFone 3 5.2" Dual SIM ZE520KL (3GB/32GB, Sapphire Black)

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Unlocked (what's this?)

What is an "Unlocked" phone?

Many mobile phones are designed to use a Subscriber Identity Module (SIM) card to store subscriber data. These SIM cards are issued by the carrier and provide voice & data service to the phone. "Locked" mobile phones will only recognize SIM cards from the carrier that originally provided the phone. Almost all mobile phones provided by local carriers are locked to that carrier’s network and cannot be used on other networks.

"Unlocked" mobile phones can use SIM cards from any carrier that supports the phone's operating frequencies. This makes them more convenient for switching carriers & traveling abroad. As many carriers also require customers to purchase pricey 2-year data contracts with new smartphone purchases, buying an "unlocked" phone can also be cheaper in the long run, as it allows customers to use "pre-paid" and "no-contract" SIM-card options or to switch to a new carrier when a cheaper, better plan becomes available.

  • A$314.99 A$464.99

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  • SKU: 291955
  • , EAN: 4712900465129
  • , UPC: 889349465127
  • , Mfr: AP_ZE520KL_BLK
  • , Brand: ASUS

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ASUS ZenFone 3 5.2" Dual SIM ZE520KL Features


What we like about the ASUS ZenFone 3 ZE520KL


  • 5.2-inch Full HD Super IPS+ display
  • Octa-core 2.0 GHz Snapdragon 625 processor with 3GB RAM
  • 16MP PixelMaster 3.0 camera with OIS & EIS


* Both SIM card slots support 3G WCDMA/4G LTE network band. But only one micro SIM card can connect to 3G WCDMA/4G LTE service at a time.

Unboxing Photos

Please check out our Facebook album for reference.

  • Shipping Weight: 0.38kg

Technical Details

  • System: Android 6.0 Marshmallow
  • Processor: 2.0 GHz / Octa Core / Qualcomm Snapdragon 625 MSM8953 / GPU: Adreno 506
  • Memory: Internal: 32 GB / RAM: 3 GB / Slot type: microSD / Max. slot capacity: 200 GB
  • Display: 5.2" / FHD Super IPS / Resolution: 1920 x 1080 pixels
  • Camera: 16 MP / PixelMaster / Flash: Dual Real-tone LED / Laser focus / Video: 4K UHD / Front: 8 MP
  • Network: 4G: LTE Band 1/2/3/5/7/8/18/19/26/28/38/39/40/41 / 3G: 800/850/900/1900/2100 MHz / GSM: 850/900/1800/1900 MHz
  • SIM card: Type: micro-SIM (SIM 1), nano-SIM (SIM 2) / Slot: Hybrid dual SIM (Optional: microSD)
  • Wireless: Bluetooth: 4.2 EDR + A2DP / Wi-Fi: 802.11 a/b/g/n/ac
  • Connection: Jack 3.5 mm / Type C with USB 2.0 connector
  • GPS: GPS, A-GPS, GLONASS, BeiDou
  • Sensors: Accelerometer, Ambient light sensor, Digital Compass, Fingerprint, Gyroscope, Hall sensor, IR sensor, Proximity, RGB sensor
  • Battery: 2650 mAh (Built-in)
  • Weight: 144 g
  • Dimensions: 146.87 x 73.98 x 7.69 mm
  • In the box: ASUS ZenFone 3 ZE520KL, ASUS headset, ASUS USB Type C to Type A cable, ASUS AC adapter, Documentation

ASUS ZenFone 3 5.2" Dual SIM ZE520KL Network Compatibility

Supported Bands: LTE Bands 1/2/3/5/7/8/18/19/26/28/38/39/40/41, 3G/HSPA Bands 800/800/850/900/1900/2100, 2G/Voice Bands 850/900/1800/1900
Carrier 2G/Voice 3G/HSPA+ LTE Network Compatibility
Optus Supported Networks
LTE: Band 1 (2100 MHz), Band 3 (1800 MHz), Band 7 (2600 MHz), Band 28 (700 MHz), Band 40 (2300 MHz)
3G/HSPA+: Band 1 (2100 MHz), Band 8 (900 MHz)
2G/GSM: Band 8 (900 MHz)
Telstra Supported Networks
LTE: Band 3 (1800 MHz), Band 28 (700 MHz)
3G/HSPA+: Band 5 (850 MHz)
2G/GSM: Band 3 (1800 MHz), Band 8 (900 MHz)
Vodafone Supported Networks
LTE: Band 3 (1800 MHz), Band 5 (850 MHz)
3G/HSPA+: Band 4 (1700 MHz), Band 5 (850 MHz), Band 8 (900 MHz)
2G/GSM: Band 3 (1800 MHz), Band 8 (900 MHz)

Note: Many of our devices are sourced internationally. Wireless frequencies for 3G, 4G, and LTE vary by carrier. Even when 3G/LTE frequencies are supported, a new SIM card or additional configuration may be required, and coverage may vary by location. Please check with your carrier or our customer service team at info@expansys.com.au for warranty or compatibility information if you have any questions.

User Reviews

  • by aasif afzal
  • Saturday, 15 July 2017

Perfect as always

I am a old customer of expansys I bought lot of items from them whatever I bought from expansys I Naver had any single problem with the items even its B stock I simply love expansys Thanks expansys

  • by David
  • Sunday, 13 November 2016

Great phone

When I first started shopping for a new unlocked cellphone, I was hoping for something around the range of 200-250$ MAX. But I ended spending the extra money on this phone, because most of the other phones in that price range didn't seem to be high quality. I've only had this phone for 2 weeks now, but the quality of the build is amazing and I'm happy to have bought it. The are only two non-issues I can think of : 1) A lot of useless apps installed. But those can just be uninstalled or disabled, no problem. 2) It's kind of slippery. Just had to take extra care of it while waiting for my case to arrive.

  • by holger
  • Saturday, 15 April 2017

Music player problem

Musik player is Google Play Music. When the end of the billing period is over and your subscription is canceled, you won't be able to access music you downloaded to your device, or playlists you created. Please advice on an alternative music player that uploads and plays my own music. I don't want to pay $12.99 every month for a service I will not use.Could not find ad free music player and a file manager to upload my music from windows PC to Zen Phone 3. Otherwise it seems to be a great phone that I like.Would have been 5 stars otherwise.

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