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Preface

Thank you for buying the Speed Wi-Fi NEXT W04 (simply called “the product” from here on).

Before using the product, be sure to read the “Quick Start Guide” (this manual) and “Notes on usage” to 

ensure correct use. After reading, store the manuals in a safe place for future reference.

Packaged items

Before your start using the product, make sure that you have all the following packaged with the product.

● 

USB3.0TypeC-A cable 
(sample)

● 保証書(本体) 

(Warranty) 

(for main unit) (Japanese)

● 無線

LAN

初期設定 

(Wireless LAN 

Initialization) sticker (Japanese)

● はじめてガイド

 

(Quick Start Guide) (Japanese)

● ご利用にあたっての注意事項

 

(Notes on usage) (Japanese)

* The following items are not 

included.

AC adapter 

Cradle

 

Speed Wi-Fi NEXT 

W04 main unit

* Keep the included accessories including warranty at hand.
* Please purchase the specified charging equipment (sold separately). For details, refer to “Related 

accessories” in this manual. 

* To charge with the included USB3.0TypeC-A cable (sample), connect a PC.
* The battery is built into the product and not attachable/removable by customers.
* Illustrations in the descriptions are sample images. They may differ from the actual ones.

About Instruction Manual

 Instruction Manual

“Quick Start Guide” (this manual) describes basic operations and settings of major functions.

 “

取扱説明書 詳細版

 (Full Instruction Manual)” (Japanese)

You can check “

取扱説明書 詳細版

 (Full Instruction Manual)” (Japanese) which describes the details for 

various functions in the au homepage.

http://www.au.kddi.com/support/mobile/guide/manual/

・ 

 “

取扱説明書 詳細版

 (Full Instruction Manual)” (Japanese) is also installed in the product. 

Connect the product to a PC, etc. via wireless LAN (Wi-Fi

®

), Bluetooth

®

 function, or the USB3.0TypeC-A cable 

(sample) 

 Activate the web browser 

 Enter “http://speedwifi-next.home” 

 In “

言語

 (Language)” list, select 

“English” 

 Login 

 “Help” 

 “Please refer to the manual”

*For instructions on how to log in, refer to “Activating Speed Wi-Fi NEXT setting tool” in this manual.

・ 

 In this manual, descriptions are written on the assumption that you are skilled in basic operations of Windows 

PC/Mac or each game console. For operations of PC or each game console, refer to the manual of the PC or 

the game console.

・ 

 Illustrations and screens shown in this manual may look different from the actual ones. In some cases, minor 

details or a part of a screen may be omitted.

・ 

 In this manual, explanations for body color “Green” are given as examples.

・ 

 In this manual, “au Micro IC Card (LTE)” is referred to as “au IC card”.

When using the product

・ 

 Before using the product, be sure to read the “Safety Precautions (Observe Strictly)” of “Notes on usage” to 

ensure correct use.

・ 

 Before you assume that the product is malfunctioning, check for possible remedies in “Troubleshooting” in this 

manual.

・ 

 During communication, please keep the device farther than 1.5 cm away from your body without including 

any metals.

・ 

 Communication is not possible even inside the service area in places where the signal does not reach 

(e.g. tunnels and basements). Also, communication is sometimes not possible in poor reception areas. 

Communication is sometimes interrupted if you move into a poor reception areas during communications.

・ 

 Since the product uses radio waves, the possibility of communication intercepts by third parties cannot be 

eliminated (Though WiMAX 2+, LTE and UMTS system has highly secure confidential communication features).

・ 

 The product supports the au World Service. Related network services explained in this manual vary by region 

or the service.

・ 

 Since the product is a radio station under the Radio Law, you may be asked to temporarily submit the product 

for inspection in accordance with the Radio Law.

・ 

The IMEI information of the product is automatically sent to KDDI CORPORATION for maintenance and 

monitoring operational status.

・ 

Before using the product overseas, check the relevant laws and regulations of the country/region you visit.

・ 

 The Company is not liable for any damages arising from earthquakes, lightning, storms, floods or other natural 

disasters, as well as fires, actions by third parties, other accidents, intentional, mistaken, or incorrect use by the 

customer, or use under other unusual conditions outside the responsibility of the Company.

・ 

 The Company is not liable for any incidental damages (change/disappearance of described content, loss of 

business income, disruption of business, etc.) arising from use of or inability to use the product.

・ 

 The Company is not liable for any damages arising from failure to observe the described content of the “Instruction 

Manual”.

・ 

 The Company is not liable for any damages arising, for example, from malfunction caused by combination with 

connected devices or software not related to the Company.

・ 

 Settings etc. may sometimes be altered or lost due to faults, repair or other handling of the product. The Company 

is not liable for any damage or lost income resulting from the alteration or loss of these data.

・ 

 It is recommended you keep a copy of important data on your computer’s hard disk, etc. Whatever the cause of 

the defect or malfunction may be, the Company assumes no responsibility for alteration or loss of saved data.

・ 

 You can use the product under the WiMAX 2+ network environment. However, UQ Communications Inc., is not 

liable for the quality of the product.

・ 

 Contents registered in the product might be altered or lost in an accident, fault, repair or mishandling. Be sure to 

keep a copy of important contents. Note that Company assumes no responsibility for any damages or lost profits 

resulting from altered or lost contents.

・ 

 The product uses liquid crystal for its display. The display response speed may become slow when the ambient 

temperature is low, which is due to the property of liquid crystal and not a malfunction. The display response 

speed returns to normal at room temperature.

・ 

 Although the display used on the product is made using high-precision technology, some pixels (dots) might be lit 

or out at all times. This is not a malfunction.

・ 

 Do not discard the product together with regular trash. Please cooperate in the collection of the product (including 

optional accessories) when it is no longer needed to protect the environment and effectively use resources. Old 

products are collected at au shops and other places.

* “The Company” as appears in the manual refers to the following companies: 

Sold by: KDDI CORPORATION·OKINAWA CELLULAR TELEPHONE COMPANY

Imported by: HUAWEI Technologies Japan K.K.

Manufactured by: HUAWEI TECHNOLOGIES CO., LTD

* Reproduction of the content of this manual in part or in whole is prohibited.
* The content of this manual is subject to change without notice.
* Every effort has been made in the preparation of this manual. Should you notice any unclear points, omissions, 

etc., feel free to contact us.

Mobile Device Etiquette

 

Use of the product is not allowed in the following places!

・ 

 Use of electric devices on board is restricted. Follow the instructions of each airline company.

 

Make sure where you are when using!

・ 

Use the product in a place where it cannot block foot or traffic in a street. 

・ 

 It is extremely dangerous to walk while looking at the screen of the product. Do not operate the product while 

walking or by stopping suddenly.

・ 

Move to a place where you do not disturb others while you are in shinkansen, a hotel lobby, etc.

・ 

 In a crowd such as crowded train, there may be people with a cardiac pacemaker nearby. Turn off the 

product beforehand.

・ 

 When a medical institution has laid down designated areas where use of the product is prohibited or is not 

allowed to be brought in, abide by the instructions of that medical institution.

Factory default settings

 

無線

LAN

初期設定

 (Wireless LAN Initialization) sticker (Japanese)

For connecting the product with wireless LAN (Wi-Fi

®

) devices such as PC or game console 

(wireless LAN (Wi-Fi

®

) devices), entering a network name (SSID) and security key (password) 

is required. For connecting to wireless LAN (Wi-Fi

®

) devices, see “Connecting with wireless 

LAN (Wi-Fi

®

) using Easy settings” in this manual.

Network name (SSID) and security key (password) are 

printed on the 

無線

LAN

初期設定

 (Wireless LAN Initialization) 

sticker (Japanese) (by default). The sticker is needed to 

connect the product and wireless LAN (Wi-Fi

®

) devices by 

default or when you reset the product. Keep it for example 

by attaching on the right section and refer if it is necessary.

Paste the 

無線

LAN

初期設定

 

(Wireless LAN Initialization) 
sticker (Japanese) to this 
position in the included 

はじめてガイド

(Quick Start 

Guide)” (Japanese) and 
store it in a safe place.

 

To initialize the settings (reset)

With the power of the product turned on, press Reset button for over approximately five 

seconds with a fine-tipped object to initialize the settings.

* If you reset the product, your settings will be all cleared. Please be careful to use this function.

Before using the product

You can perform data communication via WiMAX 2+, LTE or UMTS system with the product. 

Select the following communication modes to use.
•   High Speed Mode: Connects to WiMAX 2+ network

•  High Speed Plus Area Mode: Connects to WiMAX 2+ network or LTE network

 

ECO mode

Make settings for performance. Turn on ECO mode to use the following modes.
•   High performance

Maximizes performance. It uses carrier aggregation.

•   Normal

Carrier aggregation is used when the battery level is sufficient, but not used when the battery 

level is low. The mode switches having an appropriate balance between performance and 

lasting battery when no communication status continues for the fixed time.

•   Battery save

Reduces battery consumption to save duration of the battery. It does not use carrier 

aggregation.

* Even if “High performance” or “Normal” is set, carrier aggregation may not be available 

depending on congestion situation of the base station etc.

What you can do with Speed Wi-Fi NEXT W04

You can connect the product to wireless LAN (Wi-Fi

®

) devices or devices compatible with the 

Bluetooth

®

 tethering function (simply called “Bluetooth

®

 device” from here on) such as PCs or 

game consoles via wireless LAN (Wi-Fi

®

) or Bluetooth

®

 function, or connect to PCs etc. using 

USB3.0TypeC-A cable (sample). Also the data communication via Internet connection using 

WiMAX 2+, LTE or UMTS system is available (best effort*

1

) from connected devices through 

the product.

*1: Communication speed may not reach the maximum value depending on connection environment. 

Also, with some devices or game consoles etc., communication or online matchup games may not be 

operated correctly.

* The product automatically determines most suitable network at that time to connect.

* You cannot use the wireless LAN (Wi-Fi

®

) connection and Bluetooth

®

 connection at the same 

time.

 

Connecting via wireless LAN (Wi-Fi

®

)

How to connect PCs or game consoles etc. 

via wireless LAN (Wi-Fi

®

) is described in this 

manual.

* Up to ten devices can be connected at the 

same time.

 

Connecting via Bluetooth

®

* Up to three devices can be connected at the 

same time.

 

Connecting with USB cable

* Before connecting via USB, install Speed 

Wi-Fi NEXT setting tool into a PC. 

Installation can be performed when the 

product is connected to a PC.

* Wireless LAN (Wi-Fi

®

) and USB connection 

can be used simultaneously. Up to 

11 devices can be connected in total.

 

 Connecting LAN cable to the 
cradle (sold separately) for 
communication

Connect a commercially available LAN 

cable to W04 Cradle (HWD35PUA) (sold 

separately) for LAN connection or Internet 

access while charging.

 

au World Service

You can perform data communication using 

LTE/UMTS network overseas.

Operating Environment for Wireless LAN (Wi-Fi

®

)/Bluetooth

®

/USB Connection

The operating environment for wireless LAN (Wi-Fi

®

)/Bluetooth

®

/USB connection with the 

product are as follows. (as of December of 2016)

 

Compatible devices

PC, iPhone, iPod touch, iPad, iPad mini, smartphone, game console, etc. compatible with 

the following standards.

  IEEE802.11a/b/g/n/ac wireless LAN (Wi-Fi

®

)

  Android 4.0 or later or iOS with Bluetooth

®

 PAN Profile supported

  Windows PC/Mac with USB port

 

Compatible OS (PCs)

Windows Vista (32-bit/64-bit)

Windows 7 (32-bit/64-bit)

Windows 8 (32-bit/64-bit)

Windows 8.1 (32-bit/64-bit)

Windows 10 (32-bit/64-bit)

Mac OS X 10.6 (32-bit/64-bit)

Mac OS X 10.7 (32-bit/64-bit)

Mac OS X 10.8 (64-bit)

Mac OS X 10.9 (64-bit)

Mac OS X 10.10 (64-bit)

Mac OS X 10.11 (64-bit)

mac OS Sierra 10.12 (64-bit)

For each OS, Japanese version/English version is supported.

*For Windows RT, USB connection is not supported.

 

Memory

Windows Vista: 1 GB or more is recommended (512 MB or more is required)

Windows 7: 1 GB or more is required (32-bit), 2 GB or more is required (64-bit)

Windows 8/8.1: 2 GB or more is required

Windows 10: 1 GB or more is required (32-bit), 2 GB or more is required (64-bit)

Mac: 512 MB or more is recommended (256 MB or more is required)

 

Hard Disk

100 MB or more is recommended (50 MB or more free space is required)

Windows 8/8.1: 2 GB or more free space is required

Windows 10: 16GB or more free space is required (32-bit), 20GB or more free space is 
required (64-bit)

 

Screen resolution

1024 x 768 or more is recommended

 

USB port

USB 2.0, USB 3.0 or USB 3.1 (except USB ports by PC manufacturer's specification)

* Connecting to a USB 3.1 supported PC does not affect the transfer speed. When 

connected to a USB 2.0 supported PC, the transfer speed is in accordance with the USB 

2.0 standard.

 

Compatible browser (for Speed Wi-Fi NEXT setting tool)

Microsoft Internet Explorer 8.0 - 11.0

Microsoft Edge

Safari 6.0 - 9.0

Firefox 24.0 - 44

Chrome 10 - 48

Opera 11 - 35

iOS 6.0 - 10.0 standard browser (compatible with Speed Wi-Fi NEXT setting tool for 

smartphone)

Android 4.1, 4.2, 4.3, 4.4, 5.0, 5.1, 6.0, 7.0 standard browser/Chrome (compatible with 

Speed Wi-Fi NEXT setting tool for smartphone)

Use outside these environments may affect performance. Operating environment (hardware, 

connected peripherals, installed applications, etc.) may also affect performance. Operation 

may not be performed properly depending on web browser settings such as proxy or security 

in Internet options.

* For PC support, OS version upgrade information, etc., see corresponding manufacturer’s manual 

and follow the instructions.

Names and functions of parts

① 

External connection terminal (Type-C)

② 

Display panel (Touch panel)

Status of the product is displayed. Directly 

touch the display to operate.

③ 

NFC scanning area

Use NFC function to establish a Wi-Fi

®

 

connection

④ 

Power button

Turn on/off the power, reboot, turn the 

display on/off, etc.

⑤ 

Micro IC card slot

Attach au IC card. For details, refer to 

“Attaching au IC card” in this manual. 

⑥ 

Reset button

Initialize the settings.

* The battery is built into the product and not 

removable by customers.

 

Button operation

Power button

Operation

Function

Description

Press for over 
approximately three 
seconds

Power on

When the power is turned off, press to turn the power 
on.

Press for over 
approximately one 
second

Power off/Reboot

When the power is turned on, select “Power off”/
“Reboot”.

Press (within 
approximately one 
second)

Turn the display on/off
Return from Wi-Fi auto 
sleep function*

Press to turn off the display when the power is on. 
Press to turn on the display when the display off; the 
unlock screen appears. 
When wireless LAN (Wi-Fi

®

) is disconnected due to 

Wi-Fi auto sleep function*, press to connect again.

Press for over 
approximately ten 
seconds

Forcibly power off 

Turn the power off forcibly when the product gets 
inoperative, etc.

*: When data communication is not performed for the set time duration, 

deactivate wireless LAN 

(Wi-Fi

®

) function to save the internal battery power.

Reset button

Operation

Function

Description

Press for over 
approximately five 
seconds

Initialize the settings

With the power of the product turned on, press Reset 
button with a fine-tipped object. 
Alternatively, you can reset the product from Speed Wi-Fi 
NEXT setting tool. 

Attaching au IC card 

Your phone number etc. is recorded in the au IC card.
The product is compliant with au Micro IC Card (LTE).
* Although the phone number is stored to the au IC card as 

customer information, phone call etc. is not available with the 
product.

* Note the following points, otherwise handling the au IC card 

may cause malfunction or damage.

 ・ 

 Do not touch the IC (metal) part of the au IC card.

 ・ 

 Insert in the correct direction.

 ・ 

 Do not force to attach or remove.

* The error message appears when au IC card is not inserted correctly or the au IC card has an 

abnormity.

*Please be careful not to lose the au IC card when it is removed.
*Do not insert an IC card with a conversion adapter. It might cause a malfunction.
Before attaching the au IC card, make sure to turn the product off. au IC card is not 
recognized on the product if it is attached when the product turned on.
Remove a USB cable if it is connected.

 Open Micro IC card slot cover

Put your finger (nail) on the concave part on 
the side of the cover and pull in the direction 
of the arrow.

Concave part

IC (metal) part

au Micro IC Card

LTE

Front

Back

Charging

The battery is not sufficiently charged at the time of purchase. Charge the battery before 

using the product.

 

Charging with an AC Adapter

Charging with TypeC Common AC Adapter 01 (sold separately) is explained.

 Insert the power plug of TypeC Common 

AC Adapter 01 (sold separately) into a 
100 V AC outlet

 Connect the USB plug of TypeC Common 

AC Adapter 01 (sold separately) to the 
external connection terminal of the 
product

Insert it straight. Firmly insert it all the way.

TypeC Common AC Adapter 01
 (sold separately)

 When charging is complete, pull out the USB plug of TypeC Common AC 

Adapter 01 (sold separately) straight from the product

 Disconnect the power plug of TypeC Common AC Adapter 01 (sold separately) 

from the outlet

 

Charging with a PC
 Connect USB3.0TypeC-A cable (sample) to the external connection terminal 

of the product

Insert it straight. Firmly insert it all the way.

 Connect the other side connector of USB3.0TypeC-A cable (sample) to the USB 

port of a PC

Make sure the form of the connector plug and insert it straight.

 When charging is complete, pull out USB3.0TypeC-A cable (sample) straight 

from the product

• Make sure that sending/receiving data is finished before removing the product. 

 

 Charging with a Cradle
 Connect the USB plug of TypeC Common AC Adapter 01 (sold separately) to 

the USB power terminal of the cradle (sold separately)

Inset it straight. Firmly insert it all the way.

 Insert the power plug of TypeC Common AC Adapter 01 (sold separately) to a 

100V AC outlet

The power indicator of the cradle (sold separately) turns on.

 Connect the product with the charging USB connector of the cradle (sold 

separately)

 Signal strength

 

 

 : WiMAX 2+, LTE or UMTS system

 

 

 : No au IC card, or invalid IC card

 

 

圏外

:  Out of service area

 

 

 : During roaming

 

 

 (animation) : Line connecting

 

 

: Cradle (sold separately) 

     

connected in AP mode

 Communication mode

 

  HS:  High Speed Mode

  

Connects to WiMAX 2+ network

 

  HS+A:  High Speed Plus Area Mode

*

1

Connects to WiMAX 2+ 

network or LTE network

 Number of connected wireless LAN 

(Wi-Fi

®

)/Bluetooth

®

 devices

  

The number of devices connecting via 

wireless LAN (Wi-Fi

®

) or Bluetooth

®

 

tethering is indicated.

 

 

:  No wireless LAN (Wi-Fi

®

connection

 

 

:  One device is connected via 

wireless LAN (Wi-Fi

®

) (the number 

at the right bottom changes 

according to the connecting 

devices)

 

 

:  No Bluetooth

®

 connection

 

 

:  One device is connected via 

Bluetooth

®

 (the number at the 

right bottom changes according 

to the connecting devices) 

 Software update notification

 

 

: The latest software update available

 Frequency band

 

 

Turn on: 5 GHz band in use

 

 

Turn off: 2.4 GHz band in use

 Bridge mode

 

  Turn on: On

 

  Turn off: Off

 Indoor use indicator

  

When this indicator is turned on, use the 

product indoors.

 

  Turn on: Connected in wireless LAN (Wi-Fi

®

5 GHz band W52 channel

 

  Turn off: Connected in wireless LAN (Wi-Fi

®

5 GHz W56 channel or wireless LAN 

(Wi-Fi

®

) 2.4 GHz band

 

 

 (Blinking): DFS checking

 Battery level

 

 

 : Sufficient

 

 

 (animation): Charging

  Data amount up to now/Maximum data 

amount set by communication counter

*

2

 

 

1m:  Display the data amount counter for one 

month

 

 

3d :  Display the data amount for three days 

until today.

 Data communication status

 

 

 : Receiving

 

 

 : Sending

⑪ 

Touch menu icon

  

Tap to make the settings for each function.

 Current screen position

  

Shows which of Home screen 1 or 2 is 

displayed.

 

 

Home screen 1:  About/WAN/Easy settings/

Data count

 

 

Home screen 2:  Timer settings/ECO settings/

Help/Settings

*1: Switching to High Speed Plus Area Mode, the 

predetermined additional fee is charged separately. 

*2: In one month display with notification setting for data 

amount counter enabled, the bar color changes if the 
data amount exceeds the specified value. In three 
days display, the bar color changes if the data amount 
until the previous day exceeds the specified value.

Turning the power on/off/rebooting

 Press the power button for over approximately three 

seconds to turn the power on

The power is on and the unlock screen is displayed.

•  When the power is turned on, the product automatically connects to the 

Internet. Also, the wireless LAN (Wi-Fi

®

) function is turned on and 

 

appears.   is displayed when Bluetooth

®

 function is enabled.

• “

自動アップデート

 (Auto update)” screen and “

本製品へようこそ!

 (Welcome!)” 

screen appear. To change the language to English, refer to “Switching to 

English display” in this manual. 

 Slide the screen upward from the bottom

The screen is unlocked and the Home screen is displayed.

 To turn the power off, press the power button for over approximately one 

second 

 Tap “Power off”

Tap “Reboot” to reboot the product.

 

Forcibly turning the power off

Press the power button for over approximately ten seconds to turning the power off forcibly. 

Then, you can turn the power on again when the product gets inoperative, etc.

Switching to English display

From the Home screen, tap “

設定

 (Settings)” 

 “

システム設定

 (Tools)” 

 “

言語

 (Language)” 

→ 

Select “English” 

 Tap

Basic operation

 

Using the touch panel

Tap

Gently touch the screen 

and then immediately 

release your finger.

Flick (Swipe)

Operate the screen by quickly 

moving (flicking) your finger up/

down or right/left.

Drag

Keep touching a slider 

etc., trace it to the desired 

direction.

Slide

Keep touching the screen and 

trace it to the desired direction to 

move over.

 

Screen display

The following information is shown on the Home screen.

・ 

 

When the product is set in the cradle (sold separately), the display switches to landscape 

screen.

Quick Start Guide

① ② ③ ④ ⑤ ⑥ ⑦ ⑧


 Insert au IC card into the Micro IC 

card slot

With the IC (metal) part of the au IC card 
facing up, confirm the orientation with the 
notch shown, then insert the au IC card until 
it clicks.

•   For removing, slowly push the au IC card all the 

way inside until it clicks, and then put it back 

touching with your finger. Keep your finger on 

the au IC card because it pops out a little. After 

that, slowly pull out the au IC card straight from 

the slot. Be careful not to pull out forcedly while 

the card is in locked state.

Notch

IC (metal) part

3

4

 Align the Micro IC card slot cover with the Micro IC card slot
 Press the Micro IC card slot cover lightly

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