TCL OneTouch 4042S User Manual
Introduction
This user manual provides information for the TCL OneTouch 4042S. Please note that software versions and operator services may cause differences between the descriptions in this manual and the actual operation of the phone.
For further information, please visit tcl.com to download the complete user manual and find answers to frequently asked questions.
Getting Help
Resources for help include:
- Frequently Asked Questions (FAQ): Visit www.tcl.com/global/en/service-support-mobile/faq.html
- Finding Serial Number and IMEI: The serial number or IMEI can be found on the packaging material. Alternatively, dial *#06# on your phone, or go to Settings > Regulatory & Safety > IMEI.
- Warranty Claims: Please refer to the guidelines in this manual or visit https://www.tcl.com/global/en/support-mobile/service-center. For hotline information, visit https://www.tcl.com/global/en/support-mobile/hotline. For limited warranty information, visit https://www.tcl.com/global/en/warranty.
- Accessing Legal Information: On your phone, go to Settings > About > Privacy and Terms of Use or Settings > Privacy and Terms of Use.
Table of Contents
- Your Mobile Phone
- Call Logs
- Messages
- Contacts
- SOS
- Gallery
- Camera
- Tools
- Entertainment
- Settings
- Connections
- Troubleshooting
- Technical Specifications
- Accessories
- Licenses
1 Your Mobile Phone
1.1 Keys and Connections
Diagram of the phone showing keys and ports:
- 1. Flashlight
- 2. Headset Jack
- 3. USB Port
- 4. Camera
- 5. Speaker
- 6. SOS Button
- 7. Volume Button
Key Functions:
- 1. OK Key: Confirm an option (press the center of the key). Press to access the App list from the home screen.
- 2. Left Soft Key: Confirm an option. Press to access the App list from the home screen.
- 3. Call Key: Answer/send a call. Press to open the call log from the home screen.
- 4. Right Soft Key (Back Key): Press to access Contacts from the home screen.
- 5. End Key: Press to end a call. Press and hold to hang up/cancel a dialing process/return to the home screen.
- 6. Navigation Key: Navigate menus up, down, left, or right. From the home screen: Up: Access Messages. Down: Access Camera. Right: Access Entertainment. Left: Access Tools.
- 7. '5' Key: Press '5' on the home screen to enter '5'. Press and hold to turn the flashlight on/off.
- 8. '*' Key: On the home screen: Press to enter '*'. Press and hold to lock the screen. In editing mode: Press to insert symbols.
- 9. '#' Key: On the home screen: Press to enter '#'. Press and hold to turn vibration mode on/off. In editing mode: Press to change the input method.
1.2 Getting Started
1.2.1 Setup
Removing the back cover and installing the battery:
Diagram showing steps to remove the back cover and install the battery.
Inserting or removing the SIM/Micro-SD card:
Insert the SIM card with the chip facing down and slide it into its housing. Ensure it is correctly inserted. To remove the card, press it and pull it out.
Turn off the phone before inserting or removing the SIM/Micro-SD card.
Diagram showing SIM and SD card slots.
1.2.2 Turning on the phone
To turn on the phone, press and hold the End key until the phone turns on. The display will light up after a few seconds. Press the Left soft key/press and hold to unlock the phone.
The phone can be turned on even without a SIM card inserted, and some functions can be used.
1.2.3 Turning off the phone
To turn off the phone, press and hold the End key.
Charging the Battery
Insert the battery charger into a power outlet and connect it to the phone.
- Do not force the battery charger into the outlet.
- Ensure the battery is correctly inserted before connecting the charger.
- The power outlet should be near the phone and easily accessible. Do not use an extension cord.
Diagram showing phone connected to a charger.
To reduce power consumption and energy waste, unplug the charger when the battery is fully charged. Turn off Bluetooth or background applications when not in use. Reduce the duration of the backlight, etc.
1.3 Home Screen
Image of the phone's home screen.
1 Status Bar: Displays status/notification information.
1.4 App List
Press the Left soft key or the OK key on the home screen to access the App list.
Image of the phone's app list.
1.4.1 Status Bar
The status bar appears at the top of the home screen. Icons indicate the phone's status, and new notifications appear in the status bar.
Icon | Description |
---|---|
✉️ | New Message or Multimedia Message |
? | Network Signal Strength |
? | Headphones Connected |
? | No SIM Card Inserted |
? | Silent Mode |
? | Battery Status |
⏰ | Alarm Set |
1.4.2 Changing the Home Screen Background
- 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. The new image will appear on your home screen after you finish.
The icons and illustrations in this manual are for informational purposes only.
2 Call Logs
2.1 Making Calls
Dial the desired number and press the Call key to make the call, or press the right soft key to select a contact from Contacts. Use the Navigation key to select the desired contact and press the Call key. Correct input errors using the right soft key. To end the call, press the End key.
Image of the dialer screen.
International Call: To make an international call, press '+' twice, then enter the country code, followed by the phone number, and press the Call key.
2.2 Answering or Rejecting a Call
Image of an incoming call screen.
When a call comes in:
- Press the Left soft key or the Call key to answer.
- Press the Right soft key or the End key to reject.
2.3 Accessing Voicemail
- Press and hold the '1' key to call voicemail.
- Follow the prompts to set up your voicemail account.
3 Messages
Use the messaging function to send and receive text messages (SMS/MMS).
3.1 Composing a Message
- From the home screen, press the OK key and select Messages > Write message.
- Enter the recipient's phone number in the address bar or press the OK key to add recipients from Contacts.
- Press the Navigation key down to enter text in the message bar.
- When finished, press the OK key or the left function key and select Options > Send to send your message.
(1) Contact your network provider to check the availability of this service.
Image of the message composition screen.
3.2 Sending a Multimedia Message
With MMS, you can send video clips, pictures, photos, contacts, and sounds. On the messaging screen, select Options > Attach and select the attachment.
An SMS will be automatically converted to MMS when media files (picture, video, audio, etc.) are attached.
3.3 Entering a Message
In editing mode, you can press the keys to change the input method and access numbers 1, 2, 3... or press and hold the corresponding key to get the desired number.
You can enter text using text prediction or press '#' to set the desired text input.
- When using traditional text input, press the corresponding number key 2 through 9 as many times as needed until the desired letter appears. If the next desired letter is on the same key as the current letter, press the key again until the next cursor appears.
- Press the '#' key to select modes Abc/abc/ABC/123 or the input language.
- To insert punctuation or special characters, press the '*' key.
- To delete previously entered letters or symbols, press the Right soft key to delete them one by one.
Settings
- SIM1/SIM2 Message Center: You can view your Message Center number here.
- Message Validity: You can set the validity period of your message to 1 hour, 6 hours, 24 hours, 72 hours, 1 week, or Maximum.
- Delivery Report: You can choose whether to activate or deactivate delivery reports.
- Reply Path: Check the box to activate the reply path.
- Coding Management: You can set the character code as GSM-7-Bit coding, UCS2 coding, or Auto.
- Save Sent Messages: You can choose whether to save sent messages or not.
- Preferred Storage: Set the path for your saved messages.
- Export SMS: Set the SMS path from which you want to export.
- Automatic Signature: Select this option to add an automatic signature to your messages.
- Signature: Enter your signature.
4 Contacts
4.1 Viewing Contacts
Contacts allows quick and easy access to the contacts you want to reach. You can access this menu in one of the following ways:
- From the home screen, press the OK key and select Contacts.
- From the home screen, press the Right soft key.
Image of the contacts list.
- Press the left function key to access more options.
- Press the OK key to enter contact details.
4.2 Adding a Contact
On your contact list screen, select Options > New to add new contacts with detailed information.
Image of the 'New Contact' screen.
When finished, press the Left soft key to save.
4.3 Editing Contacts
Select a contact, press the OK key to access details, select Options > Edit, and press the OK key to edit.
Image of the 'Edit Contact' screen.
4.4 Deleting a Contact
On your contact list screen, press the left soft key to access Options, select Delete, and press the OK key to delete.
4.5 Available Options
In the contact list, you can select the following options:
- New: Create a new contact on your phone or SIM card.
- Compose Message: Send an SMS to a contact selected from Contacts.
- Call: Call the selected contact.
- Delete: Delete the selected contact.
- Delete Multiple: Delete one or more contacts at once.
- 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 purchased.
5 SOS
From the home screen, press the OK key and select SOS.
To set the contacts to whom the SOS call should be directed, press the Navigation key up/down and select Contact list.
To edit the predefined message, press the Navigation key up/down and select Message.
SOS mode is activated by default. To ensure it is turned on, press the Navigation key up/down and select Activation, then press the OK key to check the box.
In case of sudden illness or other emergencies, you can press and hold the SOS button to trigger an alarm, automatically send help messages, and dial the preset emergency numbers.
6 Gallery
In the Gallery, you can view all your photos and videos. Various options for editing your photos and videos are also available.
To access this function, press the OK key on the home screen and select Gallery.
7 Camera
Your mobile phone is equipped with a camera for photo and video recording.
7.1 Camera
To access this function, press the OK key on the home screen and select Camera.
Taking a Photo: The screen acts as a viewfinder for the camera. Position the object or landscape in the viewfinder, and press the OK key to take pictures, and press the left function key to save.
7.2 Video
Recording a Video:
- Press the left function key, select More Options > DV Mode.
- Press the OK key to record a video.
- When finished, press the left function key; it will be saved automatically. You can view the file by pressing Gallery in the app list.
8 Tools
8.1 Alarm Clock
The mobile phone has a built-in alarm clock with a snooze function. You can set up to three alarms with different wake-up times.
8.2 Clock
The first clock shows your current location's time when you insert your SIM card. You can select other cities to display their time in their respective time zones.
8.3 Flashlight
Press the OK key to turn your phone's flashlight on and off, ensuring you always have a reliable light source when needed.
8.4 Calculator
Press the corresponding soft keys 'up', 'down', 'left', 'right', and 'center' to select '+', '-', 'x', '÷', and '=' respectively.
8.5 Calendar
With the Calendar, you can keep track of important meetings, appointments, etc.
To create a new event, select the date using the Navigation key and press the OK key, enter all required information for this new event, and press the left function key to save.
8.6 Sound Recorder
This function allows recording audio files. Upon completion of the process, the file is automatically saved.
8.7 File Manager
My Files manages all files stored on the phone, both on the external microSD™ card and in internal storage.
8.8 Converter
Converter supports weight and length conversions.
9 Entertainment
This menu offers a variety of entertainment options, including Music, FM Radio, Facebook, Games, and Opera Mini, depending on the device purchased.
To access this menu, press the OK key on the home screen and select Entertainment.
10 Settings
10.1 Profile
Profiles offer a range of settings to adapt to different scenarios. You can set the sound mode to Normal, Silent, Meeting, Indoor, or Outdoor.
10.2 Bluetooth
After pairing with other Bluetooth-enabled devices, you can exchange data such as video, pictures, and audio within a limited range.
10.3 Phone Settings
- Date & Time: Set date and time, including 12/24-hour format and date format (Year-Month-Day / Month-Day-Year / Day-Month-Year). You can also set the time display to update automatically by selecting Phone settings > Time settings > Update > Automatically update time.
- Language Settings: Customize various language-related options, such as display language and input language.
Please note that the availability of certain languages and functions may vary depending on the device model and software version.
- Shortcut Settings: In the Shortcut settings menu, you can customize shortcuts for quick access to various functions on your device, such as Contacts, Messages, Camera, etc.
- Auto Power On/Off: In this menu, you can set the desired time and days for the automatic power on/off function.
- Power Management: In this menu, you can view the battery status.
- Browser Selection: In this menu, you can select your preferred web browser for surfing the internet on your device.
- Reset to Factory Settings: This function allows you to reset your device to its original factory state. Before initiating the restore process, it is important to note that all data and personal settings will be permanently deleted. It is strongly recommended to back up all important files, contacts, or data before proceeding. Enter the default password 1234 to confirm the restore and restart.
10.4 Display
In this menu, you can adjust animation effects, wallpapers, automatic lock, etc. These functions and settings help improve your display experience and allow you to personalize and optimize your device according to your preferences and needs.
10.5 Display Mode
You can choose between two display modes: Supersymbol mode and 3x3 mode. In Supersymbol mode, each option is displayed with large and prominent icons, while in 3x3 mode, the menu options are arranged in a conventional 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. The initial PIN is 1234 or 0000.
With this function, you can also lock your phone by activating the PIN2 for fixed dialing. The SIM card's protection code is requested every time the phone is turned on.
- PIN: The SIM card's protection code is requested every time the phone is turned on.
- Change PIN2: For certain SIM card functions (FDN), a protection code is requested when you try to access the card after activating the code. Update it with a new code (between 4 and 8 characters).
- Phone Locked: An unlock code is requested every time the phone is turned on.
- Change Phone Password: Change the phone's password (the first one is 1234).
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 check the status of call forwarding to voicemail or a specific number.
- Call Waiting: Activate/Deactivate notification of a second incoming call with a beep. You can also check the status of waiting calls.
- Call Barring: This function allows you to restrict certain types of calls on your device. By activating call barring, you can control incoming and outgoing calls to ensure privacy and security and avoid unwanted interruptions.
- Hide ID: Hide ID allows you to intentionally hide or mask your identity when interacting with others, to maintain your anonymity and protect your sensitive data.
- Other: The Other menu offers practical functions such as call time minute reminder, automatic redial, vibration on connection, and reply SMS after rejection.
10.8 Connections
In this menu, you can set up network accounts, data roaming, network selection, etc.
10.9 STK
The STK menu (SIM Toolkit) provides convenient SIM card management functions such as SIM card services and SIM applications.
10.10 SOS
For detailed information, see "5 SOS".
10.11 Call Filter
Take control of your calls with Call Filter, block unwanted calls, and create custom blacklists.
10.12 Manufacturer and Device Information
View information about your phone, such as product model, manufacturer name, IMEI, CU-Reference, etc.
10.13 About
You can view the privacy and terms of use under this menu item.
11 Troubleshooting
Before contacting customer service, please check the following:
- Fully charge the battery for optimal operation.
- Avoid storing large amounts of data on the phone, as this can affect performance.
Possible causes for the following error messages:
My phone will not turn on or does not respond
- Check the battery contacts, remove the battery, reinsert it, and then turn on the phone.
- Check the battery capacity and charge it for at least 20 minutes.
My phone has not responded for several minutes
- Restart the phone by pressing and holding the End key.
- Remove the battery, reinsert it, and then restart the phone.
My phone turns itself off
- Check if your phone is locked when not in use, and ensure you do not accidentally turn off your phone when intending to lock it with the End key.
- Check the battery charge indicator.
My phone is not charging properly
- Ensure you are using a TCL battery and the provided charger.
- Ensure the battery is inserted correctly. The battery must be inserted before connecting the charger.
- The battery should not be completely discharged. If the battery has been discharged for a long time, it may take about 20 minutes for the battery charging icon to appear on the display.
- The charging process must be carried out under normal conditions (0°C to +40°C).
- When abroad, check if the input voltage is compatible.
My phone cannot establish a network connection or displays "No Service"
- Try establishing a connection at another location.
- Check the network coverage with the operator.
- Check with the operator if the SIM card is active.
- Manually select available networks.
- Connect later if the network is overloaded.
My phone cannot establish an internet connection
- The SIM card's internet access service must be available.
- Check the phone's internet connection settings.
- You must be in a location with network coverage.
- Try connecting at a later time or in a different location.
Invalid SIM Card
- The SIM card must be inserted correctly.
- The chip on the SIM card must not be damaged or scratched.
- The SIM card service must be available.
Outgoing calls cannot be made
- Ensure you have dialed a valid number and pressed the Call key.
- For international calls, check the country and area code.
- The phone must be connected to an available network, and the network must not be overloaded.
- Check the contract status with the operator (credit, SIM card validity, etc.).
- Ensure you have not blocked outgoing calls.
- Ensure your phone is not in flight mode.
Incoming calls cannot be received
- Ensure the phone is turned on and connected to a network (check if the network is overloaded or unavailable).
- Check the contract status with the operator (credit, SIM card validity, etc.).
- Ensure incoming calls are not being forwarded.
- Ensure you have not blocked specific calls.
- Ensure your phone is not in flight mode.
Caller name or number does not appear when receiving a call
- Check if your contract includes this service.
- The caller has hidden their name or number.
I cannot add a new contact to my contacts
- Ensure the SIM card's contact memory is not full. Delete contacts or save contacts to the phone.
My callers cannot leave messages on my voicemail
- Contact your network provider to check the availability of this service.
I cannot access my voicemail
- Ensure your operator's voicemail number is entered correctly.
- Try again later if the network is overloaded.
SIM card locked by PIN
- Contact your network provider to obtain the PUK (Personal Unblocking Key).
The phone cannot be recognized by others via Bluetooth
- Ensure Bluetooth is activated and your phone is visible to others.
- Ensure both devices are within Bluetooth range.
How can I transfer data between my phone and PC?
- If you want to transfer data between a memory card/SD card and your PC, connect your phone to the PC using the USB data cable and select "SD Card" on your phone. You can then transfer data between the two devices.
I cannot find my contacts
- Ensure the SIM card is not damaged.
- Ensure the SIM card is inserted correctly.
- Import all contacts stored on the SIM card to the phone.
The call quality is poor
- During a call, you can adjust the volume by pressing the Volume Up/Down key.
- Check the network signal strength.
- Ensure the phone's microphone, earpiece, and speaker are clean.
I cannot use the functions described in the user manual
- Check with your operator if your contract includes this service.
- Ensure no TCL accessories are required for this function.
When I select a number in my contacts, the number cannot be dialed
- Ensure the number was entered correctly.
- For international calls, ensure you have entered the country code.
12 Technical Specifications
Feature | Specification |
---|---|
Operating System | Mocor (RTOS) |
Memory | 128MB ROM + 48MB RAM |
Dimensions (L x W x H) | 137.48 x 57.5 x 13.65 mm |
Weight | 111g |
Display | 2.8" QVGA (240*320) |
Network | GSM 900/1800, 3G: B1/8, 4G: B1/3/7/8/20/28 |
Connectivity | Bluetooth 5.0, 3.5 mm Audio Jack, USB Type-C |
Camera | 5 MP |
Supported Audio Formats | AMR-NB, AMR-WB, MID |
Supported Video Formats | 3GP, MJPG |
Battery | Typical 1500 mAh |
Expansion Slot | Dual SIM Cards + SD Card |
Note: Technical data is subject to change without prior notice.
13 Accessories
Standard Accessories
- Battery
- Charger
- User Manual
- Clear LCD Film
Note: Accessories are country-dependent. Use only TCL batteries, chargers, and accessories included with your device.
14 Licenses
The Bluetooth word mark and logos are owned by the Bluetooth SIG, Inc. and any use of such marks by TCL Communication Ltd. and its business partners is licensed. Other trademarks and trade names are those of their respective owners.
TCL T312D Bluetooth Declaration ID D049911
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