HUAWEI nova 2 HWV31 Specifications & Services

Brand name HUAWEI

Basic Specifications
Size Approx. 69 × 142 × 6.9mm
Weight Approx. 143g
Battery Capacity 2,950mAh
Continuous Call Time
(Voice Call Time / When used within Japan)
Approx. 1,080minutes
Continuous Standby Time
(When used within Japan)
4G LTE area : Approx. 390 hours
WiMAX 2+ area : Approx. 390 hours
Battery life *2 Approx. 75 hours [1]
Charge Time Approx. 100 minutes [2]
Battery removal -
External memory
(Maximum storage capacity of compatible cards)
128GB microSDXC™
Internal Memory Capacity (RAM) *4 4GB
Internal Memory Capacity (ROM) *4 64GB
Number of Addresses Registered in Address Book Varies depending on free space in handset memory
Display Type IPS
Display Size Approx. 5.0 inches
Maximum Number of Colors Displayable on LCD Approx. 16.77 million colors
Display resolution 1,920 × 1,080 (FHD)
Waterproof *5 -
Dustproof *5 -
au IC Card au Nano IC Card 04
OS *6 Android™ 7.0
CPU Kirin659 2.36GHz / Quad-core +1.7GHz / Quad-core

  1. The continuous call time and continuous standby time listed are average time lengths for usage from combined moving and fixed locations with normal signal reception. The actual times for which the phone can be used will vary widely depending on a variety of conditions, including calling time, number of calls, email composing time, number of sent and received emails, usage conditions of Internet and applications, and network conditions. (More frequent usage or poor signal reception shortens these times. Less frequent usage extends the times.)
  2. Displayed on models from summer 2016 onwards.
  3. This figure has been confirmed through the operation test following KDDI's standard. With some models, copyrighted data that can be stored in external storage is transferable to secured external memories. However, note that the availability varies depending on the manufacturers: some microSD™ cards, microSDHC™ cards and microSDXC™ cards even with the above-mentioned specifications may be unsupported.
  4. The entire memory capacity cannot be used to save apps and data.
  5. Be sure the card slot cover and caps on devices with these are securely fastened and the battery cover on devices with a removable battery cover is firmly in place.
    Do not immerse the unit in ocean, pool, or hot spring water. Do not place the unit on the sand.
  6. Information at the time of release. Click here for the latest update information.

    Products update information (in Japanese only)

  1. Battery life for average smartphone use (calculation based on June 2015 survey data from INTAGE Inc.) (Researched by KDDI/manufacturer).
    Value may be lower depending on actual usage conditions (continuous voice calls, large downloads, etc.).
  2. Measured with the dedicated charging device (bundled item)
au VoLTE YES [3]
Carrier Aggregation YES
Communication standard 4G LTE / WiMAX 2+
Maximum communication speed
Downlink : Max / Uplink : Max (Mbps)
225 / 25 [4]
Tethering YES (8 devices maximum)
Wi-Fi IEEE802.11b/g/n (2.4GHz)
Miracast -
Bluetooth® Ver.4.2
Infrared Communications -

  1. Maximum transmission speed differs depending on the service area and communication standards. For details, please see the service area map.

    Service area (in Japanese only)

  1. 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.
    au VoLTE models do not support 3G communications in Japan.
  2. 225 Mbps is available (in some areas of the prefectures) throughout Japan. For details, check the service areas.

    225 Mbps service areas (in Japanese only)

  • 4G LTE and WiMAX 2+ connect to the network that KDDI deems has the least amount of traffic, in accordance to traffic and other conditions. "4G" appears on the screen display of the smartphone or tablet.
  • Each of the above communication speeds is a best-effort service. Note that the maximum communication speed is not the actual communication speed, but the maximum value based on the technical standards. The actual speed may fall substantially short of the maximum for various reasons including customer's communication environment and traffic conditions.
Main camera effective pixels Approx. 12.00 million pixles (wide-angle) / Approx. 8.00 million pixles (Telephoto)
Sub camera effective pixels Approx. 20.00 million pixles
Imaging element Main : CMOS
Sub : CMOS
Shooting light Still image : YES
Movie : YES
Auto-focus Shooting Still image : YES
Movie : YES
Camera shake correction function & Camera shake reduction function Still image : -
Movie : -
Macro Function -
Maximum Still Image Shooting Size 3,968 × 2,976
Maximum Movie Shooting Size 1,920 × 1,080
Zoom Function - Still image 8x
Zoom Function - Movie 4x
TV (Viewing) 1Seg : -
Full Seg : -
TV (Recording) 1Seg : -
Full Seg : -
TV (Continuous Viewing Time) 1Seg : -
Full Seg : -
Hi-Res -
Battery conservation YES (Power-saving switch / Ultra Power Save Mode) [5]
au Basic Home YES
au Share Link -
Security Buzzer -
Bilingual Function YES (61 languages including Japanese)
au World Service YES [LTE / GSM / UMTS]
Osaifu-Keitai® -
Acquire information / Link (NFC) -
Emergency Rapid Mail YES
Emergency call location notification YES
+ Message *8 YES
SMS (c-mail) YES
au Mail YES
Voice Mail -
External connection -

  1. To use +message, update of the SMS app may be required. Click the link below for more information.

    + Message (in Japanese Only)

  1. Restricted functions differ for each model. For details, see the instruction manual.

* Product specifications may change without notice.

Bundled items HUAWEI Quick Charger, Clear case (sample) , Earphone microphone (sample) ,SIM removal tool (sample)

Specific Absorption Rate (SAR) of Electrical Waves : HEAD 1.222W/Kg
Specific Absorption Rate (SAR) of Electrical Waves : BODY 0.545W/Kg

For details about the Specific Absorption Rate (SAR) of au phone (in Japanese only)
au Smart Pass
au Smart Pass
This service provides unlimited use of popular content from games to convenient tools. There are also many benefits and security features exclusively for members.

For details

Video Pass
Video Pass
Unlimited viewing of movies, drama, anime, and other popular titles. You can enjoy a new title every month.

For details

Uta Pass
Uta Pass
This BGM service lets you enjoy music by selecting from over 150 various channels and programs.

For details

Book Pass
Book Pass
Enjoy unlimited reading of various genres such as comics, magazines, and novels.

For details

Keitai Guarantee Service Plus LTE
Keitai Guarantee Service Plus LTE
We will send a replacement mobile phone to your specified address if your mobile phone is damaged, lost, stolen, or experiences other problems.

For details

Anshin Filter for au
Anshin Filter for au
This is a filtering services that protects your children from hazardous sites and apps.

For details

Security Navi (Tracker)
Security Navi (Tracker)
This is a secure service that enables you to easily locate your child with the GPS function.

For details

Security Navi (Tracked)
Security Navi (Tracked)
This is a secure service that enables you to easily locate your child with the GPS function.

For details


  • Please visit the individual pages to find out more about each service. Service specifications are subject to change without prior notice.
  • Download of apps may be required for some services.

Recommend Information

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