Huawei Wi-Fi WALKER WiMAX 2+ HWD15 Notes Of Usage Download Page 1

Do not allow liquids, metal pieces, burnable items, and other foreign matter to get inside the microSD memory card 

slot and Micro IC Card slot. Doing so might cause fire, electric shock, a fault or injury.

Use the microSD memory card slot cover and Micro IC Card slot cover closed. If the covers are open, dirt or water 

may get inside causing a fault.

Do not place the product directly on sand at a beach, etc. If sand or other small particles gets inside the main unit 

through External connection terminal etc., it might cause overheating or a fault.
When using the product for data communication, be careful not to keep the product in direct contact with your skin 

for a prolonged period, or not to cover the product with paper, cloth, bedding, etc. The main unit might get hot, 

causing fire, injure, burns or a fault.

 Internal Battery

(The internal battery of Wi-Fi WALKER WiMAX 2+ is a lithium-ion battery)

When you purchase your product, the internal battery is not fully charged. Charge the battery before using 
the product.

DANGER

Be sure to read the following hazards before use.

If the leaked liquid gets on your skin or clothes, immediately rinse it off with water to avoid injury. If the liquid gets 

into your eyes, do not rub but after wash your eyes with water, and immediately consult a doctor to avoid the risk of 

losing your eyesight. If the liquid gets on a device, wipe it off without touching it.
Internal battery is a consumable item. If the performance of internal battery does not recover (e.g. the usable time 

after each charge has become extremely short), the battery is at the end of service life, so stop use. Failure to do so 

might cause overheating, ignition, rupture or liquid leakage. Battery is built into the product. For repair, the product 

must be collected to au shop etc. and charges will be incurred. And you may not use the product during certain 

period of time. Please be forewarned. Note that the length of service life varies depending on the usage condition, 

etc.

 Charging equipment

WARNING

Be sure to read the following warnings before use.

Do not use at other voltages than the specified power supply voltage. Doing so might cause ignition, fire, 

overheating, injury or electric shock.
AC adapter is compatible with 100 VAC to 240 VAC. The product is available only in Japan.
Firmly insert the plug of the specified charging equipment (sold separately) into the power outlet down to the base 

of its pins. Incomplete insertion of the power plug might result in electric shock, overheating, ignition, fire or injury. 

Do not use damaged charging equipment or loose power outlets.
Do not damage, modify, twist, pull or place a heavy object on the power cable of the specified charging equipment 

(sold separately). Do not use a damaged cable. Doing so might cause an electric shock, injury, short circuit or fire.

Do not let your hands, fingers and other parts of the body touch the connection terminals. Doing so might cause 

electric shock, injury or a fault.

If you hear thunder, do not touch the power plug. Doing so might cause an electric shock as a result of a lightning 

strike.

Before cleaning the charging equipment, unplug its power plug of the specified charging equipment from the outlet. 

If the plug remains plugged in when you clean the equipment, it might cause an electric shock or short-circuit.

Wipe off dust on the power plug. Failure to do so might cause fire, burns or electric shock.

When the charging equipment is not to be used for a long time, disconnect the specified charging equipment’s 

power plug from the power outlet. Failure to do so might cause fire or a fault.
Do not use in places subject to splashing with water, pet urine or other liquids. Doing so might result in faults and 

injury resulting from overheating, fire, electric shock, or short-circuiting of electronic circuits. In the event that the 

product is splashed with liquid, immediately disconnect the specified charging equipment’s power plug.

CAUTION

Be sure to read the following cautions before use.

Do not use in humid places such as bath areas, or connect/disconnect the specified charging equipment with wet 

hands. Doing so might cause electric shock, injury or a fault.

Charge the battery in a stable place. If placed on an inclined surface or wobbly stand, the product might fall 

causing injury or damage. In addition, do not cover or wrap the product with a cloth or bedding. Doing so might 

cause fire, injury or a fault.
When unplugging the specified charging equipment's power plug from the outlet, hold and pull the power plug. If 

you pull the cable, the cable might be damaged.

If you feel any abnormality with your skin, immediately consult a dermatologist. Itching, rashes, eczema, etc. 

sometimes occurs depending on your physical constitution and condition.
The materials of parts used on AC adapter are as follows.

Part

Material <Surface treatment>

Exterior case

PC resin

Power plug

Copper alloy <Nickel plating>

USB cable

PVC resin

USB plug (shield part)

Iron <Nickel plating>, PBT resin

USB plug (resin part)

PVC resin

microUSB plug (shield part)

Stainless steel <Nickel plating>, LCP resin

microUSB plug (resin part)

PVC resin

 HUAWEI power supply conversion cable 01

WARNING

Be sure to read the following warnings before use.

Do not use at other voltages than the specified power supply voltage. Doing so might cause ignition, fire, 

overheating, or electric shock.
Firmly insert the connection terminal of the power supply conversion cable into au product or peripherals to the base 

of its pins. Incomplete insertion might result in electric shock or fire caused by overheating and ignition. Do not use if 

the connection terminal is damaged or loosened.
Do not damage, modify, twist, pull or place a heavy object on the cable of the specified charging equipment. Doing 

so might cause fire, electric shock or a fault.

Strictly observe warnings and cautions indicated by the manufacturer of peripherals you are using.

CAUTION

Be sure to read the following cautions before use.

Do not touch an au product or a peripheral device for a long time while power is being supplied from an external 

source. Doing so might cause low-temperature burns.

When unplugging the power supply conversion cable, hold and pull the power plug. If you pull the cable, the cable 

might be damaged.
If you feel any abnormality with your skin, immediately consult a dermatologist. Itching, rashes, eczema, etc. 

sometimes occurs depending on your physical constitution and condition.  

The materials of parts used on HUAWEI power supply conversion cable 01 are as follows.

Part

Material <Surface treatment>

USB cable

PVC resin

USB connector (shield part)

Iron <Nickel plating>, PBT resin

USB connector (resin part)

PVC resin

microUSB plug (shield part)

Stainless steel <Nickel plating>, LCP resin

microUSB plug (resin part)

PVC resin

 au Micro IC Card (LTE)

WARNING

Be sure to read the following warnings before use.

Do not put the au Micro IC Card (LTE) in a cooking apparatus such as a microwave oven or a pressure vessel. Doing 

so might cause melting, overheating, fuming, loss of data or a fault.

CAUTION

Be sure to read the following cautions before use.

Be careful when attaching/removing the au Micro IC Card (LTE). Doing so might injure your hands or fingers.

Use only the devices specified by the Company to insert the au Micro IC Card (LTE) in. Using a device not specified 

by the Company might cause loss of data or a fault. For the specified devices, contact an au shop or Customer 

Service Center.

Do not disassemble or modify the au Micro IC Card (LTE). Doing so might cause loss of data or a fault.

Do not use or leave the au Micro IC Card (LTE) in hot places such as by the fire or a heater. Doing so might cause 

melting, overheating, fuming, loss of data or a fault.

Do not throw the au Micro IC Card (LTE) into a fire or heat it. Doing so might cause melting, overheating, fuming, 

loss of data or a fault.

Do not touch the IC (metal) part of the au Micro IC Card (LTE) or short-circuit it. Doing so might cause loss of data 

or a fault.

Do not drop the au Micro IC Card (LTE) or subject it to strong impact. Doing so might cause a fault.

Do not fold, bend or place a heavy object on the au Micro IC Card (LTE). Doing so might cause a fault.

Do not wet the au Micro IC Card (LTE). Doing so might cause a fault.

Do not scratch the IC (metal) part of the au Micro IC Card (LTE). Doing so might cause a fault.

Do not store the au Micro IC Card (LTE) in dusty places. Doing so might cause a fault.

Do not store the au Micro IC Card (LTE) in places exposed to direct sunlight or hot and humid places. Doing so 

might cause a fault.

Store the au Micro IC Card (LTE) out of reach of small children. Failure to do so might cause injury, etc. if they 

accidentally swallow and choke on it.

Handling precautions

These precautions are provided to ensure that performance can be fully demonstrated. Thoroughly read these precautions to 
ensure correct use.

  Precautions common to the main unit, internal battery, charging equipment, au Micro IC 

Card (LTE), peripheral devices

   Do not apply excessive force to the product during use. Be sure not to put the product into a tightly packed bag or place 

a heavy object on the product in a bag. Sitting on the product in your pocket might damage the display or internal circuit 

board resulting in a malfunction.  

Keeping an external device connected to the external connection might damage the connector resulting in a malfunction. 

Such damage and malfunction are not covered by the warranty, even if there is no external damage.

   Do not use the product in extremely hot, cold or humid places. (Use within an ambient temperature range of 5

O

C to 35

O

and humidity range of 35% to 85%.)

   Do not use in places subject to lots of dust or vibration.

   Clean the connection terminals with dry cotton swabs, etc. every now and then. Soiled terminals might cause poor 

connection. Do not exert a strong force to clean the connection terminals to prevent deformation.

   Clean the product with a dry soft cloth (such as the type used for eyeglasses). Forceful rubbing with a dry cloth may 

scratch the display. Drops of water or dirt left on the display may cause stains. Wiping the product using alcohol, thinner, 

benzine, detergent, etc. might erase the printing on the outer casing or cause discoloration.

   Use as far away as possible from land-line phones, TVs and radios. Use nearby might affect them.

   The product may become warm while charging or communicating, depending on the situation, but this is not abnormal. 

Note that there are times when it comes to use the product in a bag or bag heat up, the temperature of the product is 

increased.

   When the product is used by a child, parents or guardians should thoroughly read the “Instruction Manual” and teach the 

child how to use it.

 Main unit

   Do not forcefully press, tap or intentionally subject the display to strong impact. Doing so might cause scratching or 

damage.

   Do not forcefully press your fingernails, sharp objects or hard objects against keys or display surface. Doing so might 

cause scratching or damage.  

The touch panel is designed to be lightly touched by fingers. Do not apply strong pressure with your fingers or sharp-

pointed objects (such as fingernails, ballpoint pens and pins) on the touch panel.  

Touching the panel may not work in the following cases. Note that it may cause malfunction.  

  Operation with gloved hands

  Operation with fingernails

  Operation with foreign object on the screen

  Operation with protective sheet or seal on the screen

  Operation with a water drops or dew condensation attached on the touch panel

  Operation with wet or sweaty fingers

   Never use the modified product. Use of a modified device violates the Radio Law. 

This product has acquired the certification of conformity with technical regulations for the specified radio station based on 

the Radio Law, and you can check “Technical Conformity Mark  ” from the “Certification” screen (in Home screen, tap 

“Settings”

“About”

“Certification” to display) as a certificate. If the screws of the product are removed and modifications 

are made to the internal components, the certification of conformity with technical regulations will become invalid. Do not 

use the product with the certification invalid, as it is a violation of the Radio Law.

   To prevent unlawful modification, the product has been designed so that it cannot be easily disassembled. Modifying the 

product is prohibited by the Radio Law.

   Contents saved in this 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.

   This 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 will 

return 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.

    Take care not to inconvenience people around you when you use the product in a public place.

   Take care not to place magnetized items such as magnetic cards, speakers and TV sets near the product, as it might 

cause malfunction.  

Putting a strong magnetism close to the product might cause false operation.

   When you put the product in your pocket or bag, take care so that the display does not come in contact with metal objects 

or other hard objects, as it might cause scratching or damage. Also, be careful not to scratch or damage the display by 

using a strap whose metal or other hard part comes in contact with the display.

HWD15

Notes on usage

   As an instruction manual of this product, refer to the supplied “Quick start guide”, “Notes on usage” (this guide), or “

取扱説明書

 

詳細版

 (Full 

Instruction Manual)” (Japanese) available on the au homepage. In this guide, “Instruction Manual” includes “Quick start guide”, “Notes on usage” (this 
guide), and “

取扱説明書詳細版

 (Full Instruction Manual)” (Japanese).

   In this guide, “Wi-Fi WALKER WiMAX 2+ HWD15” is referred to as the “product” or “Wi-Fi WALKER WiMAX 2+”.

   In this guide, “microSD

TM

 memory card” and “microSDHC

TM

 memory card” are abbreviated as “microSD memory card”.

  All of the indicated amounts exclude tax unless otherwise specified.

Exemptions

•   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 or mistaken misoperation 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 mishandling of the product. The Company is not 

liable for any damage or lost income resulting from altered or lost data.

•   It is recommended you keep a copy of important data on your PC'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.

•   The product is used under UQ/WiMAX network environment; however, UQ/WiMAX Communications Inc. is not liable for 

quality of the product etc.

* “The Company” as appears in this 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.

Safety Precautions (Observe Strictly)

   Before using this product, thoroughly read these “Safety Precautions” for proper use. After reading, store the precautions in 

a safe place.

   These “Safety Precautions” describe instructions that should be observed to prevent damage to property or injury to the 

customer or others using the product.

  These instructions are divided into the following categories.

 Explanation of indications used in this manual

DANGER

This symbol indicates “the potential and imminent danger of death or serious injury

(*1)

 to a person.”

WARNING

This symbol indicates “the possibility of death or serious injury

(*1)

 to a person.”

CAUTION

This symbol indicates “the possibility of personal minor injury

(*2)

 to a person or physical damage

(*3)

.”

*1 Serious injury:  This refers to loss of sight, injury, burns (high- and low-temperature), electric shock, broken bones, injuries 

with residual aftereffects from poisoning, etc., and injuries requiring hospital admission for treatment or long 
term hospital attendance as an outpatient.

*2 Minor injury:  This refers to injuries, burns (high- and low-temperature), electric shock, etc. that do not require hospital 

admission for treatment or long-term hospital attendance as an outpatient.

*3 Physical damage:  This refers to extended damage to buildings, furniture, livestock, or pets.

 Explanation of graphic symbols used in this manual

Indicates an action that is not allowed.

Indicates that use in a place where the product is 
likely to get wet or allowing the product to get wet is 
not allowed.

Indicates that handling with wet hands is not 
allowed.

Indicates an action that must be done.

Indicates that disassembly is not allowed.

Indicates that the power plug must be disconnected 
from the power outlet.

 Common to the main unit, charging equipment, au Micro IC Card (LTE), peripheral devices

DANGER

Be sure to read the following hazards before use.

Be sure to use only the specified peripheral devices. Use of other devices might cause overheating, ignition, 

rupture, fault, or leakage of liquid.

Do not use, store or leave the product in hot places (e.g. by the fire, near a heater, under a kotatsu, in direct 

sunlight, in a car in the hot sun). Doing so might cause ignition, rupture, fault, fire or injury.

Before entering an area where flammable gas is generated such as a gas station, be sure to turn off the product 

and stop charging the battery. Failure to observe these precautions might cause the gas to catch fire.

Do not put the product in a cooking apparatus such as microwave oven or a pressure vessel. Doing so might cause 

ignition, rupture, fault, fire or injury.

Do not throw the product into a fire or heat it. Doing so might cause ignition, rupture or fire.

Do not short-circuit the connection terminals. Do not allow conductive foreign objects (metal fragments, pencil 

leads, etc.) to come into contact with or get inside the connection terminals. Doing so might cause fire, burns, a 

fault due to heat generation.
When using a metal accessory etc., take sure not to allow the metal part come in contact with the connection 

terminals or power outlet. Doing so might cause electric shock, ignition, injury or a fault.
The customer is not allowed to disassemble, modify or repair the product. Doing so might cause a fault, ignition, 

electric shock, or injury. The Company is not liable even in the event of any nonconformities arising on the product 

or PC as a result of modification, etc. Modification of the product is in violation of the Wireless Telegraphy Act.

WARNING

Be sure to read the following warnings before use.

Do not drop or subject to strong impact, such as dropping and throwing. Doing so might cause rupture, overheating, 

ignition, or a fault.

Do not use outside when you can hear thunder. Doing so might risk lightning strikes and electric shock.

Do not let your hands, fingers and other parts of the body touch the connection terminals. Doing so might cause 

electric shock, injury or a fault.
If the product is damaged because it is dropped or something, and its display is cracked or internal parts are 

exposed, do not touch the cracked display or exposed parts with your hands. Doing so might cause electric shock or 

injury from damaged parts. Contact an au shop or Secure cell phone support center.

If the wet product is charged, electric shock, short circuit, or corrosion may occur and overheating may cause fire, 

malfunction or burns.

Do not splash with water or other liquids. Also, never use in places subject to direct splashing with water or pet urine, 

etc. or in humid places such as bath areas, or use with wet hands. Doing so might cause electric shock or fault from 

short-circuiting or corrosion of electronic circuits. In the event that the product is splashed with liquid, immediately 

disconnect the specified charger's power plug and external device. Faults caused by wetting with water or humidity 

are not covered by the warranty and charges will be incurred for repair.
Do not operate the product while driving an automobile or motorized bicycle, riding a bicycle or walking. Doing so 

may compromise traffic safety and cause an accident.

If charging is not completed after the specified charging time, stop charging. Failure to do so might cause leakage 

of liquid, overheating, rupture or ignition.

Do not leave in places within the reach of small children. Small children might swallow small parts, etc. by mistake 

and choke on them, or might drop them by mistake and cause accidents or injury.

CAUTION

Be sure to read the following cautions before use.

Do not store the product in places subject to direct sunlight (e.g. in automobiles), places that get hot, places that 

get extremely cold, and in humid or dusty places. Doing so might cause overheating, ignition, deformation or a 

fault.
Do not leave on unstable places such as rocky stands or tilting surfaces. Dropping the product may cause injury or 

damage. Also, pay sufficient attention to impact, etc.

Do not cover or wrap the product with bedding, etc. while using or charging the product. Doing so might cause fire, 

a fault or injury.

Do not touch the main unit or specified charger for a long time while power is being supplied from an external 

source. Doing so might cause low-temperature burns.

The product may become hot by prolonged use especially in high-temperature environment. Be careful when using 

the product touching your skin for a long time, as it might cause low-temperature burns.

Do not use power outlets or wiring apparatus beyond its rating. Also, exceeding rating, for example, by connecting 

multiple devices to a single power strip might cause overheating and fire.

Do not place near corrosive chemicals or in places where corrosive gas is generated. Doing so might cause a fault 

or loss of internal data.

Do not leave or store with the microSD memory card slot cover and Micro IC Card slot cover opened. Doing so 

might allow dust or other foreign objects to get inside and cause a fault.
Do not use if there is smoke, abnormal odor or noise, excessive overheating, or other abnormalities. If an 

abnormality occurs, disconnect the specified charger from the power outlet if you are charging the battery, make 

sure that the product is not overheating before turning the power off, and contact an au shop or Secure cell phone 

support center. If you have dropped or damaged the product, do not continue to use it in that state, and contact an 

au shop or Secure cell phone support center.
When using the specified AC adapter or external device, insert/remove the connector straight to/from the terminal. 

Make sure the orientation of the connector is correct. Unless it's correct, it may cause damage or a fault.

Do not charge the battery with HWD15 Cradle (HWD15PUA) (sold separately) when a cover or case are attached to 

the product. Doing so might cause failure of charging, overheating, ignition, or malfunction.

 Main unit

WARNING

Be sure to read the following warnings before use.

Do not use the product while driving a car or riding a motorbike or bicycle. It might cause a traffic accident. Use of 

the product while driving a car or motorbike is prohibited by law. Use of the product while riding a bicycle may be 

punishable by some regulations.
Do not use this product while you are aboard an airplane. Use of electric devices transmitting radio waves in airplane 

is prohibited by law.  

Some airline companies, however, allow their passengers to use the product. For details, contact the airline company 

you use.
The product sometimes affects high-precision electronic devices. So, turn it off near such devices.  

(Examples of electronic devices that might be affected by the product include cardiac pacemakers, hearing aids, 

other electronic medical devices, fire alarms, and automatic doors. If you are using an electronic medical device, 

contact the device manufacturer or retailer for information about the possible affect of radio waves.)
When using the product near an implanted pacemaker, implanted cardioverter-defibrillator or other electronic 

medical device, radio waves might affect these units and devices. So, please observe the following.

1.  Those with an implanted pacemaker or implanted cardioverter-defibrillator should carry or use the product at 

least 15cm away from the pacemaker or cardioverter-defibrillator.

2.  Turn the product off when it may be difficult to keep at least 15cm away such as in a situation you cannot move 

freely, since there may be people with a cardiac pacemaker or implanted cardioverter-defibrillator nearby.

3.  Pay attention to the following points when using the product inside medical institutions.

• Do not bring the product into operating theaters, intensive-care units (ICU) and coronary care units (CCU).

• Turn the product off in hospital wards.

• Even if you are in a lobby, etc., be sure to turn the product off when there are electronic medical devices 

nearby.

• 

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.

4.   When using electronic medical devices other than an implanted pacemaker and implanted cardioverter-

defibrillator outside a medical institution (e.g. home medical treatment), check individually with the manufacturer 

of the electronic medical device regarding the influence of radio waves.

CAUTION

Be sure to read the following cautions before use.

Use of the main unit in an automobile sometimes affects on-vehicle electronic devices, though this rarely happens. 

If this happens, stop use since this may impair safe travel.

If you feel any abnormality with your skin, immediately consult a dermatologist. Itching, rashes, eczema, etc. 

sometimes occurs depending on your physical constitution and condition.

The materials of parts used on the product are as follows.

Part

Material <Surface treatment>

Display panel

Glass

Exterior case

PC resin <coating>

Power button

PC resin <coating>, TPU resin

Micro IC Card slot cover

Outside: PC resin <coating>   Inside: TPU resin

microSD memory card slot cover

Outside: PC resin <coating>   Inside: TPU resin

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