Hisense U3 2021 User manual

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Hisense U3 2
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User Guide
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Contents
Safety Precautions .............................................................4
General Safety Information .....................................4
Medical Device........................................................7
Road Safety.............................................................8
Power Supply & Charging .......................................9
Hearing Protection.................................................10
Protecting the Environment...................................10
Cleaning and Maintenance....................................11
Emergency Call.....................................................12
Copyright...............................................................12
Unboxing your Phone.......................................................13
Inserting and Removing Cards..............................13
Turning your Phone On/Off...................................13
Charging the Battery .............................................13
Screen and Display ..........................................................16
Phone at a Glance.................................................16
Basic operation.................................................................17
Power button .........................................................17
Volume button .......................................................17
Navigation key.......................................................17
Home screen.........................................................17
Touchscreen Gestures..........................................19
Notification Center.................................................22
Lock the phone......................................................22
Screenshot ............................................................23
Calls and Contacts ...........................................................23
Making calls...........................................................23
Making calls from contacts....................................23
Making calls from call logs ....................................23
Making international calls......................................24
Receiving calls ......................................................24
Importing contacts.................................................24
Creating a new contact..........................................25
Searching for contacts...........................................25
Messages.........................................................................25
Sending messages................................................25
Viewing messages ................................................25
Camera and Gallery .........................................................26
Taking photos........................................................26

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Recording videos...................................................26
Viewing photos or videos ......................................26
Deleting photos or videos......................................26
Sharing photos or videos.......................................27
YT Music...........................................................................27
Listening to music..................................................27
FM Radio..........................................................................27
Chrome.............................................................................28
Using Chrome .......................................................28
Files..................................................................................28
Calendar...........................................................................28
Creating an event..................................................28
Searching an event ...............................................29
Clock.................................................................................29
Alarms ...................................................................29
Clock .....................................................................30
Timer .....................................................................30
Stopwatch..............................................................30
SoundRecorder ................................................................31
Recording sound ...................................................31
Playing a recording................................................31
Managing recordings.............................................31
Calculator .........................................................................31
Simple arithmetic problems...................................32
complex equations ................................................32
Appendix...........................................................................32
Important Information ............................................32
Location.................................................................33
Security .................................................................33
IMEI Identification..................................................33
Disclaimer..............................................................33
Troubleshooting.....................................................34
ONLY FOR MEXICO........................................................38
FCC Compliance..............................................................38
Specification.....................................................................41

4
Safety Precautions
Warning: situations that could cause injury to
yourself orothers.
Caution: situations that could cause damage to
yourdevice or other equipment.
Notice: notes, usage tips, or additional information.
General Safety Information
Failure to follow the following safety instructions
could result in fire, electric shock, injuries, or
damage to your phone or other property. Read all
the safety information below before using your
phone.
• Do not crash, throw, or puncture your phone. Avoid
falling, squeezing, and bending of your phone.
• Do not use your phone in a moist environment, such as
bathroom. Prevent your phone from being soaked or
washed in liquid.
• Do not power on your phone when it is prohibited to
use or when the phone may cause interference or
danger.
• Some parts of your phone are made of glass. The
glass could be broken if your phone is dropped on a

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hard surface or receives a substantial impact. If the
glass is broken, do not touch the glass parts of the
phone or attempt to remove the broken glass from the
phone. Stop using your phone until the glass is
replaced by authorized service provider.
• Turn off your phone in aircraft. The phone may cause
interference to control equipment of the aircraft.
• Turn off your phone near highprecision electronic
devices. The phone may affect performance of these
devices.
• Do not attempt to disassemble your phone or its
accessories. Only qualified personnel are allowed to
service or repair the phone.
• The socket shall be installed near the phone and shall
be easily accessible.
• Do not place your phone or its accessories in
containers with a strong electromagnetic field.
• Do not place magnetic storage media near your phone.
Radiation from the phone may erase the information
stored on them.
• Keep the phone away from direct sunlight. Do not put
your phone in a hightemperature place or use it in a
place with flammable gas such as gas station.
• Use only approved batteries and chargers to avoid the
risk of explosion.

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• Obey all laws or regulations on the use of the phone.
Respect others’ privacy and legal rights when using
your phone.
• Strictly obey relevant instructions of this manual while
using USB cable. Otherwise your phone or PC may be
damaged.
• Use a dry soft cloth to clean your phone. Do not use
water, alcohol, detergent or any chemicals.
• Please backup your important data. Repair or other
causes may result in data loss.
• Do not disconnect the phone during memory formatting
orfile transfer operations. Otherwise, it may cause
program file lost or file damages.
• Keep the phone and charger out of the reach of
children. Do not let children use the phone or charger
without supervision.
• Keep small phone accessories away from children to
protect them from being choked.
• Do not modify or remanufacture your phone.
• Do not immerse your phone in water or other liquids.
• Do not expose your phone to fire, explosion or other
hazards.
• The phone shall only be connected to a USB interface
of version USB 2.0,Micro-USB

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• Ideal operating temperature are 0℃to 40℃, Ideal
storage temperature are -25℃to 50℃.
• Accessory must be used to keep EUT 10mm from
Body for Body-worn RF exposure compliance
Medical Device
• Obey all rules or regulations in hospitals and health
care facilities.
• Your phone contains radios that emit electromagnetic
fields.
• These electromagnetic fields may interfere with
pacemakers or other medical devices.
• If you wear a pacemaker, maintain at least 20 cm of
separation between your pacemaker and your phone.
• If you suspect your phone is interfering with your
pacemaker or any other medical devices, stop using
your phone and consult your physician for information
specific to your medical device.
• When you perform repetitive activities such as typing
or playing games on your phone, you may experience
occasional discomfort in your hands, arms, wrists,
shoulders, neck or other parts of your body. If you
experience discomfort, stop using your phone and
consult your physician.

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Road Safety
• Check local laws and regulations on using phone.
• Obey all local laws. Always keep your hands free to
operate the vehicle while driving. Your
firstconsideration while driving should be road safety.
• Pull off road and park before making or answering a
call if driving conditions require so.
• RF energy may affect some electronic systems in your
vehicle such as car stereos and safety equipment.
• When your vehicle is equipped with an air bag, do not
obstruct with installed or portable wireless equipment.
It may cause the air bag to fail or cause serious injury
due to improper performance.
• If you listen to music, please keep the volume at a
reasonable level so that you are aware of your
surroundings. This is of particular importance when
near roads.
• Using your phone in some circumstances can distract
you and may cause danger. Obey rules that prohibit or
restrict the use of phone or headphones (for example,
avoid texting while driving a car or using headphones
while riding a bicycle).

9
Power Supply & Charging
Charge your phone with the included USB cable and
power adapter. Use of incompatible adapter or cable may
cause permanently damage to your phone.
• Power adapter shall be installed near phone and shall
be easily accessible.
• Using damaged cables or chargers, or charging when
moisture is present, can cause electric shock.
• Power adapter is intended for indoor use only.
• Power outlet should be easily accessible. The outlet
should not be blocked during use.
• To fully disconnect the phone from the mains, unplug
the AC/DC cable from power outlet.
• Power adapters may become warm during normal use,
and prolonged contact may cause injury.
• Always allow adequate ventilation around power
adapters when using them.
• The ventilation should not be impeded by covering
ventilation openings with items (for example
newspapers, tablecloths, curtains and so on) to avoid
overheating and malfunction. Maintain a clearance of
at least 10 cm around the phone.
• The phone should be used in a moderate climate.
• Do not plug or unplug USB port with wet hands, or it
may result in risk of electric shock.

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• The phone is built with an internal rechargeable battery:
do not expose the phone to excessive heat such as
sunshine,fire or the like.
• Battery contains materials which are hazardous and
harmful to the environment. The battery must be
recycled or disposed of separately from household
waste.
Hearing Protection
This phone respects the current regulations for limiting
the maximum output volume. Prolonged headset
listening at high volume could lead to hearing damage!
• Stop using the product or lower the volume if you feel
your ears ringing.
• Do not turn up the volume too high, doctors warn
against prolonged exposure to high volume.
• Excessive sound pressure from headsets and
headphones can cause hearing loss.
• To prevent possible hearing damage, do not listen at
high volume levels for long periods.
• Please only use specified headphones with your phone.
Protecting the Environment