AQUOS U - Feel the embrace


Product Summary

  • Display Size
    Approx. 5.0 inches
  • Effective Pixels
    Main : 13.10 million pixels
    Sub : 5.00 million pixels
  • Battery Capacity
  • Internal memory capacity (RAM/ROM)
  • Size
    Approx. 71 x 143 x 8.3mm
  • Weight
    Approx. 137g
  • Wi-Fi
    IEEE802.11b/g/n (2.4GHz)
  • OS
    Android™ 6.0
  • 4G LTE (800MHz/2GHz)
    4G LTE (800MHz/2GHz)
    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

  • TV
    Users can watch digital terrestrial broadcasting TV.

    Detail From here

  • Water proof
    Water proof
    Mobile phones durable to water.
  • Osaifu-Keitai®
    Smartphones which can be used as a prepaid card, store member ship card or ticket.

    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

IGZO display and power-saving technology provide excellent battery life

High-capacity battery and power-saving technology ensure long battery life*

Long-lasting battery and power-saving technology

Long battery life is achieved with a compact 2,700 mAh battery used in combination with power-saving technology developed by Sharp. You can enjoy long-lasting use without having to worry about the remaining battery level.

  • Battery life varies depending on the usage conditions and environment.
Long-lasting battery and power-saving technology

Convenient function saves power in a pinch

Power-saving switch

By restricting some operations and functions*, power consumption is reduced and battery life is extended, while basic smartphone functionality is maintained.

  • Screen brightness, backlight illumination time, screen smoothness, CPU operation, auto sync, Wi-Fi®, location data, and Hikari Emotion are restricted.
  • Set to OFF at time of purchase.
Use of power-saving switch (conceptual image)

Power-saving 5.0-inch display with beautiful AQUOS image quality

IGZO liquid crystal display

The 5.0-inch IGZO liquid crystal display offers high resolution and low power consumption, and the backlight technology and S-PureLED color filter developed by Sharp provide vivid colors.

  • The IGZO liquid crystal display was designed for mass production through joint development with Semiconductor Energy Laboratory Co., Ltd.
IGZO liquid crystal display image
point 2

Equipped with soothing Hikari Emotion illumination and emopa, a talking AI

Enjoy fun illumination when receiving incoming calls

Hikari Emotion

Hikari Emotion gives the device a new style of expression using an LED lamp below the display and screen animations. When receiving an incoming call, the light patterns change depending on your relationship with the caller. The lively illumination adds a nice touch of color to your daily life.

Hikari Emotion is also activated when performing other actions, such as when you unlock the screen or start charging the battery. You can choose from 12 light patterns and 9 colors that are activated when receiving incoming calls.

Hikari Emotion

Operations that activate Hikari Emotion

  • Receiving an incoming call (choose the patterns and colors)
  • Ending a call
  • Unlocking the screen
  • emopa starts talking (pattern varies)
  • Charging
  • At startup and shutdown, only the LED lamp is activated.
Ide Sound Institute.logo

Hikari Emotion was designed in collaboration with Ide Sound Institute.

A new form of light expression was born through the creation and programming of Konomi Isshiki, who is a member of the advanced sound creation team headed by Hiroaki Ide. Ide Sound Institute is a globally active organization that is known for their soniphy® system, which can generate light and sound based on conditions such as natural phenomena or molecules inside the human body, under the theme of "heart, sound, and light".

The institute's wide range of works include the train departure melodies at Shinjuku and Shibuya stations, sound design at the Omotesando Hills shopping center, sound production at Expo 2005 Aichi, and the use of the ELPHONIC® stereophonic system in medical care.

emopa AI tells you helpful information


emopa uses its voice to provide useful information in a timely manner, in response to your current situation.

It can talk to you about a wide range of conversation topics, such as the weather or information about recent popular keywords, in a way that fits your lifestyle.

  • Initial settings must be configured in order to use all of the emopa functions. The situations described here are an example. Actual operation may vary depending on your environment.

Stay motivated on your diet

emopa health care

The emopa health care function encourages you to maintain a healthy weight and keep walking. If you teach emopa your weight, it will monitor the number of steps you walk each day and provide expert advice* that suits your needs.

  • Based on information overseen by national registered dietitians and fitness trainers from Qualia, Inc.
emopa health care fig
  • The values shown are for reference only.

Conveniently use voice commands directly from the lock screen

Set the alarm and timer by voice

The device learns your preferred alarm settings as you use it.

Set the alarm and timer by voice

emopa provides information based on your schedule

emopa memo

Simply double-tap the lock screen and start talking, and emopa records a memo of what you say. emopa will provide you a reminder when the timing is right.

emopa memo

Tell emopa your plans, and it will tell you the weather at your destination.

point 3

Waterproof and dustproof performance* lets you enjoy relaxing bath time with the device

With waterproof (IPX5/8) and dustproof (IP6X) performance, you can use the device in the bath. The IGZO display and touch panel are resistant to moisture, and the screen can be used even with water droplets on the surface. The speaker on the front of the device let you enjoy music with clear sound in the bath.

Waterproof and dustproof performance * lets you enjoy relaxing bath time with the device
  • IPX5/8 waterproof performance and IP6X dustproof performance.
  • Make sure that the caps are securely attached. Do not place the device on sand.
  • Do not immerse the device in warm bathwater.
  • Do not immerse the device in mineral bathwater or bathwater with bath powder.
  • Do not use the device in the bathroom for an extended period.


  • 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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