TCL onetouch 4042S User manual

For more information on how to use the phone, please go to tcl.com and download
the complete user manual. The website will also provide you with answers to
frequently asked questions.

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1 Table of Contents
1 Your mobile ................................................................. 5
1.1 Keys and connectors .....................................5
1.2 Getting started ...............................................8
1.3 Home screen .................................................11
1.4 App list ............................................................12
2 Call logs ...................................................................... 13
2.1 Making a call..................................................13
2.2 Answer or decline a call..............................14
2.3 Accessing voicemail ....................................15
3 Message...................................................................... 15
3.1 Write message ..............................................15
3.2 Send a multimedia message ......................16
3.3 How to type a message..............................16
4 Contacts ..................................................................... 19
4.1 Consult your Contacts ................................19
4.2 Adding a contact ..........................................20
4.3 Editing your contacts ..................................20
4.4 Deleting a contact........................................21
4.5 Available options ..........................................21
Note:
This is a user manual for TCL T312D
There may be certain differences between the user manual
description and the phone’s operation, depending on the
software release of your phone or specific operator services.
Help
Refer to the following resources to get more FAQ, software,
and service information:
Consulting FAQ
Go to www.tcl.com/global/en/service-support-mobile/faq.html
Finding your serial number or IMEI
You can find your serial number or International Mobile
Equipment Identity (IMEI) on the packaging materials. Or, on
the phone, press *#06#. or Settings > Regulatory & safety >
IMEI.
Obtaining warranty service
First follow the advice in this guide or go to https://www.tcl.
com/global/en/support-mobile/service-center. Then check
hotlines information through https://www.tcl.com/global/
en/support-mobile/hotline
For more information about limited warranty, please go to
https://www.tcl.com/global/en/warranty
Viewing legal information
On the phone, go to Settings > About > Privacy and User
Terms or Settings > Privacy and User Terms(1).
(1) Depending on the device you purchased.

3 4
5 SOS .............................................................................. 23
6 Gallery......................................................................... 23
7 Camera........................................................................ 24
7.1 C a mera ............................................................24
7.2 Video ...............................................................24
8 Tools ............................................................................ 25
8.1 Alarm ...............................................................25
8.2 Clock................................................................25
8.3 Torch ................................................................25
8.4 Calculator .......................................................25
8.5 Calendar ........................................................25
8.6 Recorder .........................................................26
8.7 My files ...........................................................26
8.8 Convert ...........................................................26
9 Entertainment........................................................... 26
10 Settings....................................................................... 27
10.1 Profiles ............................................................27
10.2 Bluetooth........................................................27
10.3 Phone settings ..............................................27
10.4 Display.............................................................29
10.5 Display Mode ................................................29
10.6 Security.......................................................... 30
10.7 Call settings ...................................................31
10.8 Connections...................................................32
10.9 STK.................................................................. 33
10.10 SOS ................................................................. 33
10.11 Call Filter ....................................................... 33
10.12 Regulatory & Safety.................................... 33
10.13 About.............................................................. 33
11 Troubleshooting .......................................................34
12 Specifications............................................................40
13 Accessories................................................................ 41
14 Licences ...................................................................... 42

5 6
1
4
2
8
5
6
7
9
3
1OK key
• Confirm an option (press the middle of the key)
• Press: Access to the app list (from Home screen)
2Left soft key
• Confirm an option
• Press: Access to the app list (from Home screen)
3Call key
• Pick up/send a call
• Press: Enter call log (from Home screen)
4Right soft key (Back key)
• Press: Access to Contacts (from Home screen)
1 Your mobile.............................
1.1 Keys and connectors
1
4
3
2
67
5
1Torch
2Headset connector
3USB port
4Camera
5Speaker
6SOS key
7Volume key

7 8
5End key
• Press: End a call
• Long press: Hang up/ cancel dialing/ back to Home
Screen
6Navigation key
• Move to top, bottom, left or right menus.
• Press (from Idle screen):
- Up: Access Messages
- Down: Access Camera
- Right: Access Entertainment(1)
- Left: Access Tools
7“5” key
• In idle screen:
• Press: Input "5"
• Long press: Switch on/off the torch
8“*”key
• In idle screen:
- Press: Input “*”
- Long press: Lock screen
• In Edit mode:
- Press: Insert symbols
(1) Depending on the device you purchased.
9“#” key
• In idle screen:
- Press: Input "#"
- Long press: Vibration mode on/off
• In edit mode:
- Press: Change the input method
1.2 Getting started
1.2.1 Set up
Removing the back cover and installing the battery
12
34

910
Inserting or removing the SIM/micro SD card
Place the SIM card with the chip facing downwards and
slide it into its housing. Make sure that it is correctly
inserted. To remove the card, press it and slide it out.
Power off your phone before inserting or removing the
SIM/micro SD card.
SIM
1
2
SD
SIM
Charging the battery
Connect the battery charger to your phone and plug
into the socket.
• Be careful not to force the plug into the socket.
• Make sure the battery is correctly inserted before
connecting the charger.
• The mains socket must be near to the phone and
easily accessible (avoid electric extension cables).
To reduce power consumption and energy waste
when the battery is fully charged, disconnect
your charger from the plug; switch off Bluetooth
or background-running applications when not in
use; reduce the backlight time, etc.

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1.2.2 Powering on your phone
To turn your phone on, hold down the End key until
the phone powers on. It will take a few seconds before
the screen lights up. Long press/Press(1) Left soft key
to unlock your phone.
Even if no SIM card is installed, your phone will still
power on and you will be able to use some of the
phone's features.
1.2.3 Powering off your phone
To turn your phone off, hold down the End key.
1.3 Home screen
1
1Status bar
• Status/Notification indicators
(1) Depending on the device you purchased.
1.4 App list
Press the Left soft key or OK key from the Home
screen to access the App list.
1.4.1 Status bar (1)
The Status bar appears at the top of your Home screen.
Icons indicate your phone’s status and new notification
alerts appear in the Status bar.
New message or
multimedia message
No SIM card
installed
Silent mode Alarm is set
Level of network
reception Bluetooth is on
Headset connected Power indicator
(1) The icons and illustrations in this guide are provided for
information purposes only.

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1.4.2 Change Home screen wallpaper
• From the Home screen, press the OK key, select the
Settings icon , and then press the Navigation key
to select Display >Wallpaper settings.
• Select a new image from Static wallpaper or More
pictures and press the OK key. Exit and the new
image will then be displayed on your Home screen.
2 Call logs..............................
2.1 Making a call
Dial the desired number, press the Call key to place
the call, or press the Right soft key to select a contact
from Contacts. Use the up or down action of the
Navigation key to select the desired contact and press
the Call key. If you make a mistake, you can delete the
incorrect digits by pressing the Right soft key. To hang
up the call, press the End key.
International call
To dial an international call, press twice to enter
“+”, then enter the international country prefix followed
by the full phone number and finally press the Call key.
Emergency call
If your phone has network coverage, dial the emergency
number and press
the Call key
to make an emergency
call. Depending on your network and country this
could even work without a SIM card and without
typing in the SIM PIN code.
2.2 Answer or decline a call
When you receive a call:
• Press the Left soft key or
Call key
to answer.
• Press the Right soft key or End key to decline.

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2.3 Accessing voicemail (1)
• Press and hold to call voicemail.
• Follow the prompts to set up your voicemail account.
3 Message .............................
Use the messaging feature to send and receive text
(SMS/MMS) messages.
3.1 Write message
• From the Home screen, press the OK key and select
Messages >Write message.
• Enter the phone number of the recipient in the
To bar or press the OK key to add recipients from
contacts.
• Press navigation down key to enter the text in
message bar.
• When finished, press OK key or Left soft key to
select Options > Send to send your messages.
(1) Contact your network operator to check service
availability.
3.2 Send a multimedia message
MMS enables you to send video clips, images,
photos,contacts and sounds. From the Message screen,
select Options > Add and select the attachment.
An SMS will be converted to MMS automatically when
media files (image, video, audio, etc.) are attached.
3.3 How to type a message
When in edit mode, you can press the Keypad to
change the input method to access numbers 1,2,3... or
long press the corresponding key to get the number
you want.
You can enter text using predictive text input, or press
# to set your desired text input.

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• Coding management
You can set the character code as GSM-7 bit coding,
UCS2 coding or Auto.
• Save sent messages
You can choose to save or not to save the sent
messages.
• Preferred storage
Set the path for the location of your saved messages.
• Export SMS
Set the SMS path you want to export from.
• Auto signature
Select to apply an auto signature to your messages.
• Signature
Input your signature.
• For normal text input, press a number key, 2-9,
repeatedly until the desired character is displayed. If
the next letter you want is located on the same key
as the present one, press the key repeatedly until
the next cursor is displayed.
• Press the key to choose Abc/abc/ABC/123
modes or write language.
• To insert a punctuation mark or special character,
press the key.
• If you want to delete any previously typed letters
or symbols, press the Right soft key to delete them
one by one.
Settings
• SIM1/SIM2 Message centre
You can view your message centre number here.
• Message validity period
You can set your message validity period as 1 hour, 6
hours, 24 hours, 72 hours, 1 week or Maximum.
• Status report
You can choose to enable or disable status reports.
• Reply path
Mark the checkbox to enable reply path.

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4 Contacts............................
4.1 Consult your Contacts
Contacts enables quick and easy access to the contact
you want to reach.
You can access this menu by either of the following
methods:
• pressing the OK key from the Home screen and
select Contacts.
• pressing the Right soft key from the Home screen.
• Press the Left soft key to access more options.
• Press the OK key to enter contact details.
• Press the Right soft key to return to the App list or
Home screen.
4.2 Adding a contact
On your contacts list screen, select Options >New to
add new contacts with detailed information.
When finished, press the Left soft key to save.
4.3 Editing your contacts
Select a contact, press the OK key to access Details,
select Options > Edit, and press the OK key to edit.

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4.4 Deleting a contact
On your contacts list screen, press the Left soft key to
access Options, select Delete, and press the OK key
to delete.
4.5 Available options
From the contact list, you can access the following
options:
New
Create a new contact on your Phone or SIM.
Write message
Send an SMS to a contact you've selected from
Contacts.
Call
Make a call to the selected contact.
Delete
Delete the contact you've selected.
Delete multiple
Delete one or more contacts at a time.
Import/ Export
• Import contacts
Import contacts to your phone.
• Export contacts
Export contacts from your phone or SIM card.
Send vCard
Send a contact via SMS/MMS/Bluetooth, depending
on the device you purchased.
Others
• Speed dial
Set one or more speed dial contacts at a time.
• Memory status
Review the memory status of your phone and SIM
card.
• Own number
Set Name and Mobile of your own.

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5 SOS......................................
From the Home screen, press the OK key and select
SOS.
To define the contacts to whom the SOS call is made,
press navigation up/down key and select Contact list.
To edit the pre-defined message, press navigation up/
down key and select Message.
SOS mode is activated by default, to make sure it is
switched on, press navigation up/down key and select
Activation, press the OK key to mark the checkbox.
In the event of sudden illness or other emergencies,
press and hold the SOS key to trigger an alarm,
automatically send help messages, and dial the pre-set
emergency contact numbers.
6 Gallery ...............................
Gallery acts as a media player for you to view photos
and play videos. In addition, a set of further operations
to pictures and videos are available for selection.
To access this function, press the OK key from the
Home screen and select Gallery.
7 Camera ..............................
Your mobile phone is equipped with a camera for
taking photos and shooting videos.
7.1 Camera
To access this function, press the OK key from the
Home screen and select Camera.
To take a picture
The screen acts as the viewfinder. Position the object
or landscape in the viewfinder, and press the OK key
to take pictures, press Left soft key to save.
7.2 Video
To shoot a video
• Press the Left soft key, select More options > DV
mode.
• Press the OK key to shoot a video.
• When finished, press the Left soft key, it will
be automatically saved. You can view the file by
pressing Gallery in the app list.

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8 Tools....................................
8.1 Alarm
Your phone has a built-in alarm clock with snooze
feature. You can set up to three alarms with different
wake-up times.
8.2 Clock
The first clock displays the time based on your location
when you insert your SIM card. You can choose other
cities to show the time in their time zones.
8.3 Torch
Press OK key to turn your phone's flashlight on
and off, providing you with a reliable source of light
whenever you need it.
8.4 Calculator
Press the up, down, left, right and Centre soft key to
select "+, -, ×, ÷" and "=" respectively.
8.5 Calendar
Use Calendar to keep track of important meetings,
appointments, etc.
To create new event, select the date by pressing
navigation key and then press OK key, fill in all
required information for this new event, press the Left
soft key to save.
8.6 Recorder
Use this function to record audio files. When
completed, the file will be stored automatically.
8.7 My files
My files manages all the files stored on the phone,
including both external microSDTM card and internal
storage.
8.8 Convert
Convert supports weight conversion and length
conversion.
9 Entertainment...................
This menu offers a variety of entertainment options,
including Music, FM radio, Facebook, Games, and
Opera Mini, depending on the device you purchased.
To access this menu, press the OK key from the Home
screen and select Entertainment

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10 Settings...........................
To access this function, press the OK key from the
Home screen and select Settings.
10.1 Profiles
The Profiles provides a series of settings to adapt
to various scenarios, you can set the sound mode to
Normal, Silent, Meeting, Indoor or Outdoor.
10.2 Bluetooth
You can exchange data, such as video, images, and
audio, with other Bluetooth supported devices within
a limited range after pairing.
10.3 Phone settings
• Time & date
It allows you to modify date and time settings,
including 12/24h format and date format (Year-Mon-
Day/Mon-Day-Year/Day-Mon-Year). You can also
choose to update the time display automatically by
selecting Phone settings > Update time settings >
Auto update time.
• Language settings
You can customize various language-related options,
such as display language and writing language.
Please note that the availability of certain languages
and features may vary depending on your device
model and software version.
• Shortcut Settings
The Shortcut Settings menu allows you to customize
the shortcuts for quick access to various features and
functions on your device. such as contacts, messages,
camera, etc.
• Auto power on/off
Within this menu, you can set the desired time and
days for the automatic power on and power off
functions.
• Power management
You can view the battery level in this menu.
• Browser selection(1)
This menu allows you to choose your preferred web
browser for browsing the internet on your device.
(1) Depending on the device you purchased.

29 30
• Restore factory settings
This feature allows you to reset your device to its
original factory state. Before initiating the restoration
process, it is important to note that all data and
personalized settings will be permanently deleted. It
is highly recommended to back up any important files,
contacts, or data before proceeding. Enter the default
password 1234 to confirm restore and reboot.
10.4 Display
You can set animation effect, wallpaper, auto lock,
etc. within this menu. These features and settings
contribute to enhancing your display experience,
allowing you to personalize and optimize your device
to meet your preferences and needs.
10.5 Display Mode
There are two display modes for your option: Super
icon mode and 3*3 mode. In Super icon mode, each
option is presented with large and eye-catching
icons, while 3*3 mode arranges the menu options
in a traditional grid layout with smaller icons and
accompanying text descriptions.
10.6 Security
You can protect your phone by activating and
changing the PIN and password, its initial one is 1234
or 0000, depending on your operator. If there are still
issues, please contact your operator.
This feature also allows you to lock your phone by
activating the PIN2 for Fixed dial number.
• PIN
The SIM card protection code is requested each time
the phone is powered on.
• Modify PIN2
A protection code for certain SIM card features (FDN)
will be requested if you attempt to access the card
when the code is activated. Select to update it with a
new one (between 4 and 8 digits).
• Phone locked
An unlock code is requested each time the phone is
powered on.
• Modify the phone password
Change the phone's password (the initial one is 1234).

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• Privacy
This allows applications to be locked. Enter the
password (the initial one is 1234) and mark the
checkbox to activate the lock for Call logs, Message,
Camera, Contacts, My files, Calendar, etc.
• Lock screen by end-key
Once this feature is enabled, pressing the end key will
instantly lock the screen. This feature allows you to
quickly secure your device with just a press of the end
key.
• Fixed dialing number
This allows the phone to be "locked" so that it can
only dial certain numbers, or numbers with certain
prefixes. To activate this function, a PIN2 code is
mandatory.
10.7 Call settings
• Dual-SIM
With Dual SIM functionality, you have the flexibility to
manage two phone numbers on a single device.
• Call forwarding
You can activate, cancel or verify the status of call
forwarding to voicemail or to a specified number.
• Call waiting
Activate/Deactivate the notification of a second
incoming call by a beep. You can also check the status
of waiting calls.
• Call barred
This feature allows you to restrict certain types of
calls on your device. By enabling call barring, you can
control incoming and outgoing calls, ensuring privacy,
security, and avoiding unwanted disturbances.
• Hide ID
With Hide ID, you can selectively conceal or mask your
identity when interacting with others, ensuring your
anonymity and safeguarding your sensitive data.
• Others
The Others menu provides convenient features such
as Call time minute reminder, Auto redial, Vibration
when connected and Reply SMS after reject.
10.8 Connections
Within this menu, you can set Network account, Data
roaming, Network selection, etc.

33 34
10.9 STK
The STK (SIM Toolkit) menu provides convenient SIM
card management features, such as SIM card services,
SIM applications.
10.10 SOS
For detailed information, please refer to “5 SOS”.
10.11 Call Filter
Take control of your calls with Call Filter, block
unwanted calls and create custom blacklists.
10.12 Regulatory & Safety
View information about your phone, such as Product
model, Manufacturer name, IMEI, CU Reference, etc.
10.13 About
You can view Privacy and User Terms under this
menu.
11 Troubleshooting..................
Before contacting the service centre, you are advised
to follow the instructions below:
• You are advised to fully charge the battery for
optimal operation.
• Avoid storing large amounts of data in your phone
as this may affect its performance.
and carry out the following checks:
My phone can't be switched on or is frozen
• Check the battery contacts, remove and reinstall
your battery, then turn your phone on.
• Check the battery power level, charge for at least
20 minutes.
My phone has not responded for several minutes
• Restart your phone by pressing and holding the End
key.
• Remove the battery and re-insert it, then restart the
phone.
My phone turns off by itself
• Check whether your phone is locked when not in
use, and make sure you don't accidentally turn off
your phone when locking it by pressing the End key.
• Check the battery charge level.

35 36
My phone can't charge properly
• Make sure you are using a TCL battery and the
charger from the box.
• Make sure your battery is inserted properl. It must
be inserted before plugging in the charger.
• Make sure that your battery is not completely
discharged; if battery power is empty for a long
time, it may take around 20 minutes to display the
battery charger indicator on the screen.
• Make sure charging is carried out under normal
conditions (0°C to +40°C).
• When abroad, check that the voltage input is
compatible.
My phone can't connect to a network or "No service"
is displayed
• Try connecting in another location.
• Verify the network coverage with your operator.
• Check with your operator that your SIM card is valid.
• Try selecting the available network(s) manually.
• Try connecting at a later time if the network is
overloaded.
My phone can't connect to the Internet
• Make sure that the internet access service of your
SIM card is available.
• Check your phone's Internet connection settings.
• Make sure you are in a place with network coverage.
• Try connecting at a later time or another location.
Invalid SIM card
• Make sure the SIM card has been correctly inserted.
• Make sure the chip on your SIM card is not damaged
or scratched.
• Make sure the service of your SIM card is available.
Unable to make outgoing calls
• Make sure you have dialled a valid number and have
pressed the call key.
• For international calls, check the country and area
codes.
• Make sure your phone is connected to a network,
and the network is not overloaded or unavailable.
• Check your subscription status with your operator
(credit, SIM card valid, etc.).
• Make sure you have not barred outgoing calls.
• Make sure that your phone is not in flight mode.
Unable to receive incoming calls
• Make sure your phone is switched on and connected
to a network (check if the network is overloaded or
unavailable).
• Check your subscription status with your operator
(credit, SIM card valid, etc.).
• Make sure you have not forwarded incoming calls.
• Make sure that you have not barred certain calls.

37 38
• Make sure that your phone is not in flight mode.
The caller’s name/number does not appear when a call
is received
• Check that you have subscribed to this service with
your operator.
• Your caller has concealed his/her name or number.
I can't find my contacts
• Make sure your SIM card is not broken.
• Make sure your SIM card is inserted properly.
• Import all contacts stored in SIM card to phone.
The sound quality of the calls is poor
• You can adjust the volume during a call by pressing
the Volume Up/down key.
• Check the network strength .
• Make sure that the receiver, connector or speaker
on your phone is clean.
I am unable to use the features described in the
manual
• Check with your operator to make sure that your
subscription includes this service.
• Make sure this feature does not require an TCL
accessory.
When I select a number from my contacts, the number
can't be dialled
• Make sure that you have correctly recorded the number
in your file.
• Make sure that you have selected the country prefix
when calling a foreign country.
I am unable to add a contact to my contacts
• Make sure that your SIM card contacts are not
full; delete some files or save the files in the phone
contacts.
My callers are unable to leave messages on my
voicemail
• Contact your network operator to check service
availability.
I can't access my voicemail
• Make sure your operator’s voicemail number is
correctly entered.
• Try later if the network is busy.
SIM card PIN locked
• Contact your network operator to obtain the PUK
code (Personal Unblocking Key).
The phone can't be detected by others via Bluetooth
• Make sure that Bluetooth is turned on and your
phone is visible to other users.
• Make sure that the two phones are within Bluetooth’s
detection range.
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