Simple operations allow novice users to master use

Product Summary

  • Display Size
    Approx. 5.0 inches
  • Main camera effective pixels
    Approx. 13.10 million pixels
  • Battery Capacity
  • Internal memory capacity (RAM/ROM)
  • Size
    Approx. 71 x 143 x 9.3mm
  • Weight
    Approx. 150g
  • Wi-Fi
    IEEE802.11b/g/n (2.4GHz)
  • OS
    Android™ 6.0
  • au 5G
    au 5G
    5G is the fifth generation mobile communication system that is the next generation of LTE-Advanced. In addition to high-speed, high-capacity, mulit-connectivity, and low-latency (real-time), 5G is expected to meet a wide range of needs from the devices that people carry every day to the realm of IoT.
  • 4G LTE
    4G LTE
    We provide an ultra high-speed communication services with a maximum receiving speed of 75 Mbps that is easy to connect to with a 99% population coverage rate (800 MHz). * The maximum receiving speed differs depending on the model and area.
  • au VoLTE
    au VoLTE
    Allows you to use clearer voice calls compared to 3G.

    Detail From here

  • Water proof
    Water proof
    Mobile phones durable to water.
  • Osaifu-Keitai®
    Turn the phone into e-money, a train ticket, or a point card. This convenient service lets you use the phone for various situations just by touching it to a reader.

    Detail From here

  • au World Service
    au World Service
    Service for using current au cellphone and number overseas.

    Detail From here

  • Hi-Res
    Playback music with sound quality higher than that of music CDs.
  • Emergency Rapid Mail
    Emergency Rapid Mail
    Emergency news service for earthquakes, tsunami or other disasters and their evacuation sites announced by the National Weather Service, national and local governments. *Some cellphones will only receive emergency earthquake news.

Product Video

(in Japanese Only)

point 1

Easier to use thanks to the Phone button and Mail button as well as the large and easy-to-see menu.

Home screen

Easy-to-understand Home screen

The BASIO2 Home screen has an easy-to-see display with big icons and characters. This smartphone is easy to understand and enables worry-free use even for first-time smartphone users.

Quick buttons

Register up to three frequently-used contacts such as your family members and home. Make and answer a call or open the Mail Creation screen through simple operation.

Buttons are lit for notifications

LED buttons are lit to notify you of incoming calls and mail. You can operate the buttons on this smartphone just like on mobile phones you are used to using.

Areas of your interest and small characters are easier to see

Magnifying glass and Character size

Magnifying glass

Small and hard-to-see areas can be easily enlarged with the Magnifying Glass function.

  • Not available on the Lock screen and some applications.

Character size

Characters can be resized on the Browser screen.

  • Available only on a standard browser.
point 2

Activate the camera just by opening the cover and take a photo easily.

Camera slide cover & Shutter button

Camera slide cover & Shutter button

The camera lens is equipped with a cover. Just open the cover to activate the camera.
Just like a digital camera, you can focus on an object by pressing the Shutter button on the side of the smartphone halfway, allowing you to concentrate on shooting.

Without adjustments and Osusume Plus "Sharp"

Osusume Plus

Osusume Plus allows you to take advanced photos just by making small adjustments.
Even novice cameramen can take more impressive photos by selecting "Fluffy", "Sharp", or other options from the Scene Selection menu.

Without NightCatch II and WithNightCatch II

You can take bright photos even in a dim place

NightCatch Ⅱ


By composing images shot of people with the flash ON and multiple shots of the background with the flash OFF you can capture a bright image of both the background and people.

  • Supported by the main camera only.
point 3

Waterproof and dustproof features provide carefree performance. Add and enjoy your favorite apps.

Cap-less waterproof and dustproof features*1 allow you to use this smartphone comfortably in various scenes

Waterproof and Dustproof

Waterproof (IPX5/8) and dustproof (IP5X) features are supported. In addition, the chemically toughened glass, Corning ® Gorilla® Glass 4 is employed on the front panel, making the panel resistant to scratches, allowing you to use the smartphone outdoors*2.

  1. Be sure the caps are securely fastened. Do not immerse the unit in ocean, pool, or hot spring water. Do not place the unit on the sand.
  2. There is no guarantee of being impervious to damages or malfunctions.

Useful apps to have more fun with your photos


< LINE >

A fun communication service that connects family and friends. You can make calls and send emails to your heart's content. Also, you can send photos and movies.

  • Download and installation required.

< wellnote >

A communication service that enables sharing photos and video with family only. Enjoy with peace of mind knowing that only registered family members can use the service.

Enjoyable pedometer ALKOO

< Enjoyable pedometer ALKOO >

Enjoyable pedometer ALKOO
This app is recommended if you are interested in health and walking. You can check the number of steps and the place where you went on maps and photos afterwards.

  • Premium course requires payment.

Enjoy apps*3 recommended by your family members

au Smart Pass & Google Play Store™

You can easily add apps recommended by your family members or friends from au Smart Pass (paid) and Google Play Store.

  1. Information charges are separately incurred for some applications.
Enjoy apps recommended by your family members


  • To connect to the Internet, subscription to the separate "LTE NET course" is required.
  • Available only with an au Nano IC Card 04.
  • au VoLTE is a voice call service that is available for devices that support VoLTE within the au 4G LTE area.
  • When connecting with other devices that support au VoLTE (within the au 4G LTE area), voice calls with high-quality sound are enabled. In other situations, a conventional level of sound quality is enabled for voice calls.
  • Devices that support au VoLTE are not able to use 3G communications in Japan.
  • Note on high-quality sound The actual voice sound quality may vary depending on the communication environment and network traffic conditions.
  • EZweb service and EZ apps are not available. When you switch from the current mobile phone contracted under the EZ WIN Course to a new one, note that your subscription to EZweb service, EZweb site, e-mail newsletters, and Machi-Uta is not automatically terminated or canceled. To cancel or unsubscribe from these services, please follow the necessary procedures.
  • Smartphones may access the Internet in some applications even when a user does not operate the device. Subscription to a data (packet) flat-rate service is recommended. In regards to the installation of apps, some apps installed from the Internet pose the risk of making smartphones' (and PCs alike) operations unstable or of making smartphones complicit in illicit activities due to attacks by malicious hackers. Accordingly, make sure that a provider of an app to be installed is reliable and check its operating conditions before use. Please note that apps installed by yourself and any malfunctions arising from them are not covered by the warranty. KDDI is not responsible for any trouble resulting from installation of apps.
  • All screen depictions are simulated images. Actual screens may differ.
  • Product specifications may change without notice.

Recommend Information

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    • Tagalog

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    • Vietnamese

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    • Japanese
      about au mobile services

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      Connection setting / failure

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