Hisense U50 User manual

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Hisense U50
(HLTE222E)
User Manual
Before using your phone, read the User Manual thoroughly.
Manufactured by Hisense Communications Co., Ltd.
FCC ID:2ADOBHLTE222E

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Contents
Phone Basics
Your phone at a glance 5
Carrying out basic operations 6
Using the notification center 11
Using SIM and MicroSD cards 12
Battery charging 14
Other hardware features 16
Troubleshooting
I can’t turn my phone on 17
My phone keeps turning off automatically 17
I can’t use an application on my phone 18
My phone’s standby time is too short 18
My phone isn’t charging properly 19
Touchscreen error when charging 19
I’ve forgotten my password 19
My PIN is locked 20
I can’t use the Internet or make calls 20
My calls don’t connect 20
Phone doesn’t make a sound when it rings 21
Phone
Making calls 21
Making calls from contacts 21
Making calls from recents 22
Contacts
Importing contacts 22
Creating contacts 22
Searching for contacts 22
Messages
Sending messages 23
Viewing messages 23
Camera
Taking photos 24
Taking panorama 24
Recording videos 25
Photos
Viewing photos or videos 25

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Deleting photos or videos 25
Sharing photos or videos 25
Chrome
Using Chrome 26
Clock
Alarms 26
Clock 27
Timer 27
Stopwatch 28
Recorder
Recording sound 28
Playing a recording 28
Managing recordings 29
Calculator
Making calculation 29
FM Radio
Listening to radio 29
Security and Privacy
Face unlock 30
Safety
Safety precautions 31
Safe battery charging 35
Protecting your hearing 35
Protecting the environment 35
Reducing your radiation exposure 36
Other important information 36
Disclaimer 37
ONLY FOR MEXICO 38
FCC Compliance 38
Specification 41

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Safety symbols in this document
The following symbols are used throughout this document:
Warning: situations that could cause injury to yourself or
others.
Caution: situations that could cause damage to your dev-
ice or other equipment.
Notice: notes, usage tips, or additional information.

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Phone Basics
Use the information in this section to get to know your phone better.
Your phone at a glance
Get to know your phone with the following figure and legend.
1. Rear cameras
8. Ambient light
2. Receiver
9. Volume button
3. Front camera
10. Power button
4. Card slot
11. USB port
5. Microphone
12. Loudspeaker
6. Headset socket
7. Flash lamp

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The figures and descriptions are for reference only, please
refer to the descriptions of actual product.
Carrying out basic operations
This section describes how to carry out basic functions on your
phone.
Before using your phone for the first time, fully charge your
battery. For more information on charging your battery, see
Battery charging.
Turning your phone on
• To turn your phone on, press and hold the power button until the
screen turns on.
• When turning your phone on for the first time, or after performing
data reset, follow the onscreen instructions to set up you phone.
• To force restart your phone, press and hold the power button until
your phone vibrates.
Turning your phone off
To power off your phone, press and hold the power button, and
then tap the
icon.
Using touchscreen gestures
This section describes how to use touchscreen gestures to help c-
ontrol your phone.

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Tapping
To open an app, to choose a menu item, to press an on-screen
button, or to enter a character using the keyboard on the screen,
tap it with your finger.
Tapping and holding
Tap and hold an item on the screen for more than 2 seconds to
access available options.

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Swiping
Swipe to the left or right on the home screen or the Apps screen to
view other panels.
Swipe upwards or downwards to scroll through a web page or a list
of items.

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Spreading and pinching
Spread two fingers apart on a web page, map or image to zoom in
a part.
Pinch to zoom out.
.

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Dragging
To move an item, tap and hold it and drag it to the target position.
Using the navigation bar
You can find your navigation bar control at the bottom of you
screen.
• To go back to the home screen, tap
• To open the list of recent apps, tap
• To go back to the previous screen, tap
Locking and unlocking screen
Locking the screen
• To lock the screen, press the power button.
• Go to Settings >Display >Screen timeout to change how

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quickly your screen goes to sleep. The screen locks and goes into
sleep mode when you don’t use your phone for a while. This is to
save power and stop accidental phone use.
Unlocking the screen
To unlock the screen, press the power button and swipe up.
Using the notification center
The notification center is where you can view the latest otifications
relating to the operation of your phone.
Opening the notification center
To open and view the notification center:
1Swipe down from the top of the screen to see the notification
center.
2Swipe down again from the top of the screen to see the shortcuts
tab.
Closing the notification center
Swipe up or tap
to close the notification center.
Setting notification options
To set notification options, go to Settings >Apps & notifications >
Notifications.

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Using SIM and MicroSD cards
Inserting SIM and MicroSD cards
Always ensure that SIM and MicroSD cards are inserted correctly
into your phone.
The following figure shows the correct way to insert SIM and
MicroSD cards into your phone.
When inserting your card tray, make sure that the card is level
and that the card is aligned correctly.

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Do not use cut or modified SIM or MicroSD cards with your
phone, as these may not be recognized and could damage
the card tray.
Ejecting SIM and MicroSD cards
Always make sure that the SIM and MicroSD card are ejected
correctly from the phone.
The following figure shows the correct way to eject SIM and
MicroSD cards from your phone.
To eject SIM or MicroSD card, insert your SIM eject pin into the

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small hole next to the card tray.
Be careful not to scratch your phone or hurt yourself when using
your SIM eject pin. Store your SIM eject pin out of t-
he reach of children to prevent accidental swallowing or
injury.
Battery charging
Follow instructions in this section to charge your battery safely and
preserve battery life.
Charging your battery
Fully charge the battery before using it for the first time, or when the
phone has not been used for a long time, or when the battery is low.
To charge your battery, do the following:
1Connect your USB charging cable to your USB power adapter.
Plug the end of the USB cable into the USB port, and the USB
power adapter into a power socket.
2Once your battery is fully charged, disconnect your phone from
your USB charging cable.
Important safety precautions
The following precautions are extremely important and
must be foll-
owed at all times:

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The battery is built into the phone and is not removable. Do not try
to remove the battery by yourself.
Risk of explosion if battery is replaced by an incorrect type. Dispose
of used batteries according to the instrucions.
To charge your phone safely, it is also important to pay attention to
the following points:
• Use only approved chargers, batteries, and cables. Using an
nunapproved or incompatible power adapter, charger, or battery
may damage your phone, shorten its lifespan, or cause a fire,
explosion or other hazards.
• Avoid using your phone when it is charging. Do not cover your
phone or power adapter.
• Connect your charger properly. Not connecting your charger prop-
erly can cause serious damage to your phone. Any
damage cau-
ed by misuse is not covered by the warranty.
• Your phone can be safely charged at temperatures
between
0°C and 40°C. Charging in environment where the temperature
is below 0°C or higher than 40°C will harm battery. Performance

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and shorten battery life. Regular, long-term charging in extreme
temperatures will damage your battery.
• Unplug your charger from the electric socket when not charging
your phone.
Protecting your battery
For safe and effective charging that also protects your battery, you
must also pay attention to the following points:
• If your AC power supply is lower voltage, or you charge from
computer or other non-standard sources, you may need to
charge your phone for longer.
• Your phone might not start straight away if the battery is low. Your
phone will start normally once it has charged for a short while.
• The time your phone needs to charge may depend on room
temperature and your battery level.
• The phone and charger may heat while charging. This is normal
and shouldn’t affect your phone’s lifespan or performance. If your
battery becomes much hotter than usual, stop charging your
phone and put it in a cool place. If you phone surface is hot,
avoid touching your phone for too long.
Other hardware features
USB on-the-go (OTG)

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Your phone is USB on-the-go (OTG) compatible. This means your
phone can host other USB devices, such as mice, or keyboards.
Use a standard OTG data cable when using this function.
Troubleshooting
This section lists common problems you may have when using your
phone. Check to see whether your issue is listed here before
contacting the service center.
I can’t turn my phone on
If you can’t turn your phone on, try the following:
• Press and hold power key for two seconds or longer.
• Check that he battery is fully charged before turning your phone
on.
• Press and hold the power button until your phone vibrates.
• Check that your battery is properly connected to your phone, and
that the connecting points are clean. If your phone has a built-in
battery, contact the service center.
My phone keeps turning off automatically
If you phone keep turning off automatically, try the following:
• Check your battery power. If the power is low, charge your phone.
• Check softwares or applications to see if they are normal. If not,

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restart your phone.
I can’t use an application on my phone
If you can’t use an application on your phone, try the following:
• Check if your phone has sufficient storage. Delete some
messages from your phone.
• Check if the application is damaged. Uninstall and reinstall the
application. If cannot be fixed, try resetting system.
• Chances are that the application is not compatible. Uninstall the
application and choose a compatible version.
• Check and enable applications management permissions.
My phone’s standby time is too short
If your phone’s standby time is too short, try the following:
• Chances are that the battery performance decreases. Contact
service center to change the battery.
• If you play games or listen to music for a long period of time,
shorten the time.
• If the screen is too bright, adjust the brightness of the screen.
• If the phone is used in weak signal environment, the standby time
will be short. Please move to strong signal locations.
• Turn off cellular data, GPS, Bluetooth, Wi-Fi switch when not
using them.

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• Close the application not used.
• Uninstall the applications not used for a long period of time.
My phone isn’t charging properly
If your phone isn’t charging properly, try the following:
• Ensure that your phone is charging at a normal temperature.
• Plug the charger into a different socket.
• Recharge your phone for about half an hour.
• Chances are that the battery has a problem. If the battery has
been built-in, contact service center.
• Ensure that the charger is not defective. If the charger is defective,
replace it.
• If the charger fails to charge, please change or repair it.
Touchscreen error when charging
If there is touchscreen error when charging, try the following:
• If the charging equipment is incompatible with your phone, it may
cause some problems. Use charger supplied and stable charging
equipment.
• Check whether softwares or applications are normal or not.
Restart your phone.
I’ve forgotten my password

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If you forget your password, contact service provider.
My PIN is locked
If you enter wrong PIN three times in a row, contact service
provider.
I can’t use the Internet or make calls
If you can’t use the Internet or make calls, try the following:
• Chances are that signal is too weak. Move to an open area and try
again.
• Chances are that the phone is out of service area. Check if the
Internet is available.
• Chances are that airplane mode is on. Turn off airplane mode.
• Check if software is abnormal. If so, restart the phone.
• Check if SIM card has failure. If so, check or change SIM card.
• Ensure that the dialing is right.
• Check if cellular data setting has failure. If so, go to Settings to set
up cellular data.
• Check if pre-paid charge has reached its limit. If so, contact
service provider.
My calls don’t connect
If your calls don’t connect, try the following: