The TCL 4042S is a compact and powerful phone that combines all the key features you need for everyday communication in a stylish and durable design. Measuring 137.48 x 57.5 x 13.65 mm and weighing approximately 111 g, the phone is easy to use and carry, and its "Blue Mist" color gives it a sophisticated look.

The phone boasts a 2.8-inch QVGA (240 x 320) display that provides a clear and bright display. The powerful 1500 mAh battery provides up to 360 hours of standby time and up to 15 hours of talk time, depending on the network. With support for 2G, 3G and 4G networks and the ability to use two Nano SIM cards simultaneously, the TCL 4042S is a great choice for those who need a reliable phone for all types of communication.

The phone also offers basic multimedia features, such as a VGA camera with video capture and playback at 30 frames per second. With 48 MB RAM and 128 MB ROM, and support for MicroSD cards up to 128 GB, you have plenty of space to store your important data.

Additional features such as a removable battery cover and an SOS button enhance the usability and safety of this phone. The TCL 4042S is a practical and affordable device that is ready to meet all your basic communication needs.

Specifications:

Design:
• Dimensions: 137.48 x 57.5 x 13.65 mm
• Weight: Approx. 111 g
• Color: Blue Mist
• Side keys: Side volume key
• Other: Removable battery cover, SOS key

Display:
• Screen size: 2.8"
• Resolution: QVGA (240 x 320)

Battery:
• Capacity: 1500 mAh
• Charger: 5V550mAh charger with cable
• Charging station: Not included
• Charging time: 3-4 hours
• Standby time: Up to 360 hours
• Talk time: 15 hours (2G); 10 hours (3G); 8 hours (4G)

Memory:
• ROM: 128 MB
• RAM: 48 MB
• MicroSD card support: Up to 128 GB
• End-user space: Approximately 17 MB

Camera:
• Rear camera: VGA (SW 2 MP)
• Video player: QVGA @ 30fps
• Video capture: 240 x 320 @ 30fps

Chipset and OS:
• OS: Mocor (RTOS)
• Chipset: UMS9117-L (T107)
• Processor frequency: A7 @ 1 GHz

Connectivity:
• 2G data: GPRS, Class 12
• 3G data: WCDMA (384 kbit/s DL)
• 4G data: Cat 1 (10 Mbit/s DL, 5 Mbit/s UL)
• 2G network: 900/1800/1900 MHz
• 3G network: B1/5/8
• 4G network: B1/3/5/7/8/20/28/38/40/41
• SIM card: 2 Nano SIM + 1 SD card

In the box:
• Charger
• Charger port
• Stereo headphones
• Protective film
• Quick guide
• Warranty card

Manufacturer information: TCT Mobile Europe SAS, 9-15 rue Rouget de Lisle, Immeuble Amiral, 92130 Issy-les-Moulineaux, France, info@tcl.com
Safety warnings/instructions: The product was placed on the market before 13. 12. 2024.

User view

The TCL 4042S T312 TCL ONETOUCH 4042S GSM phone is a great choice for anyone looking for a simple and reliable phone without unnecessary complications. It is most often used by older users who appreciate the classic ergonomic design and ease of use - with large keys and a clear screen, it makes everyday communication easier and stress-free.

Due to its robustness and basic features, among which a handy camera stands out, it is also loved by those who want a reliable device for work or a backup phone. TCL, as a recognized brand, provides a sense of security, as the phone is easy to maintain and holds the foundations of what a classic GSM phone offers in modern times.

Why buy at Enaa

When purchasing a TCL 4042S T312 GSM phone through Enaa, you can be sure that you are choosing from proven products and trusted brands, and you have the help of a professional team in the field of telephony, who can also advise on the special needs of older users.

Answers to frequently asked questions

Is the phone suitable for use as a backup or primary phone for seniors?

Yes, the phone has a classic design with large, easy-to-read keys and a simple menu, so seniors can easily use it as their main phone or as a backup device for special occasions.

What kind of photography functionality does this model offer?

The TCL 4042S T312 has a simple built-in camera that allows you to quickly save important moments in basic quality, suitable mainly for basic use and contact pictures.

Can the phone be used with all Slovenian mobile operators?

The phone is unlocked, so you can use cards from various Slovenian operators without restrictions.

What is the battery life under normal use?

Due to the basic functions and less energy-intensive screen, the battery life is above average, and with normal use it can last for several days without charging.

Is it possible to easily set capital letters and loud sounds?

The phone allows you to set a larger font and adjust the ringer and conversation volume, which is very useful for people with impaired vision or hearing.

Description updated: December 2025