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Tecno Spark 40C The Complete Guide to Specs Prices and More

Release Date
2025, August
Camera
13MP
Battery
6000mAh
Battery Type
18W
Processor
Helio G81
Screen
6.67"
Storage
128GB/256GB , Unspecified
Ram
4/8GB RAM
Operating System
Android 15, HIOS 15.1

Network

The Tecno Spark 40C is equipped with GSM / HSPA / LTE technologies, offering a solid network connection experience. It supports 2G bands (GSM 850 / 900 / 1800 / 1900), 3G bands (HSDPA 900 / 2100), and 4G LTE bands. The device is capable of handling speeds typical of HSPA and LTE networks, ensuring fast and reliable connectivity for all users.

Launch

The Tecno Spark 40C was announced in July 2025 and released in August 2025. This timely launch aligns with the mid-year market demand for affordable yet feature-rich smartphones, targeting tech-savvy consumers looking for value for money.

Body

The Tecno Spark 40C features sleek dimensions of 165.6 x 77 x 8.4 mm. Its build is thoughtfully designed with a glass front, a durable plastic back, and a plastic frame, which provides both a premium look and a sturdy feel. The device is designed to accommodate two Nano-SIM cards, offering flexibility for users who require multiple network connections.

Display

The smartphone boasts a 6.67-inch IPS LCD display with a seamless 120Hz refresh rate. It offers a resolution of 720 x 1600 pixels, giving it a 20:9 ratio, perfect for immersive viewing experiences. This resolution results in a pixel density of approximately 263 ppi, which is adequate for vibrant and sharp visuals.

Platform

Running on Android 15 with the HIOS 15.1 user interface, the Tecno Spark 40C promises a user-friendly experience. The phone is powered by the Mediatek Helio G81 chipset, built on a 12nm technology. Its octa-core CPU configuration consists of 2x2.0 GHz Cortex-A75 cores and 6x1.8 GHz Cortex-A55 cores, paired with a Mali-G52 MC2 GPU. These specifications promise smooth multitasking and efficient performance for everyday tasks and applications.

Memory

The Tecno Spark 40C provides multiple memory configurations to cater to different user needs. It boasts options of 128GB storage with 4GB or 8GB RAM, and a superior 256GB storage with 8GB RAM configuration. This ensures ample space for apps, photos, and videos, along with smooth app performance and multitasking capabilities.

Camera

Main Camera

Equipped with a 13 MP camera with an f/1.8 aperture, the Tecno Spark 40C is designed to capture high-quality photographs with precision and depth. The camera features PDAF for fast focus and dual-LED flash for brighter shots. It supports HDR, capturing images with enhanced details and colors. Video enthusiasts can enjoy recording 1080p videos at 30fps.

Selfie Camera

The phone's front-facing camera houses an 8 MP sensor, equipped to take clear and detailed selfies. It also supports video recording, providing users with the tools for video calls and social media sharing.

Sound

The device is designed with an advanced sound system, featuring dual speakers for a superior audio experience. A 3.5mm audio jack is also included, maintaining compatibility with a wide range of headphones and audio devices.

Communications

The Tecno Spark 40C covers modern communication needs comprehensively. It supports Wi-Fi connectivity and Bluetooth for seamless device pairing. GPS is available for accurate location tracking. Although NFC is not present, the device includes an infrared port and FM radio for additional functionality. Connectivity is further enhanced with a USB Type-C port and OTG support.

Features

The Tecno Spark 40C houses a side-mounted fingerprint sensor for quick and secure access. Additional sensors unspecified in the documentation likely include common mobile sensors such as accelerometers and proximity sensors, enhancing the user experience with smart functionalities.

Battery

This smartphone features a robust 6000 mAh battery, which is a standout feature for users requiring long-lasting power. It supports 18W fast wired charging, reducing downtime and enabling users to get back to their activities quickly.

Miscellaneous

The Tecno Spark 40C is available in multiple colors, providing options for personalization: Veil White, Ripple Blue, Titanium Grey, and Ink Black. The Model number is KM4k and is attractively priced at about 90 EUR, ensuring accessibility for a wide range of budget-conscious consumers.

Key Features of Tecno Spark 40C

  • Supports GSM, HSPA, and LTE networks for versatile connectivity.
  • Elegant design with glass front and plastic back.
  • Large 6.67-inch IPS LCD display with 120Hz refresh rate for smooth visuals.
  • Powered by Mediatek Helio G81 chipset for efficient performance.
  • Ample memory options: up to 256GB internal storage with 8GB RAM.
  • 13 MP main camera with Dual-LED flash for quality photography.
  • 8 MP front camera for selfies and video calls.
  • Dual speakers and a 3.5mm jack for rich audio experience.
  • Equipped with USB Type-C and OTG support for fast data transfer.
  • Large 6000 mAh battery capacity with 18W fast charging.
  • Available in four distinct colors: Veil White, Ripple Blue, Titanium Grey, and Ink Black.
  • Side-mounted fingerprint sensor for enhanced security.

Tecno Spark 40C Main Drawbacks

  • The display resolution is relatively low at 720 x 1600 pixels, which may result in less sharp images compared to higher resolution screens.
  • The device uses a Mediatek Helio G81 chipset, which might not offer the best performance for high-end gaming or heavy multitasking.
  • No NFC support, which could be a limitation for users who rely on contactless payments and other NFC-based functionalities.
  • The main camera offers only a 13 MP resolution, which might not deliver the highest quality photos compared to other devices with higher megapixel counts.
  • The absence of information about the card slot suggests potential limitations in expandable storage options.
  • The phone is relatively thick at 8.4 mm, which might affect comfort during extended use.
  • No weight information is provided, which may be a concern for users who are particular about the portability and handling of their device.
  • The charging speed is limited to 18W wired, which could be slower compared to other smartphones that offer faster charging options.
Network
Technology GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 900 / 2100
4G bands LTE
Speed HSPA, LTE
Launch
Announced 2025, July 19
Status Available. Released 2025, August
Body
Dimensions 165.6 x 77 x 8.4 mm (6.52 x 3.03 x 0.33 in)
Weight -
Build Glass front, plastic back, plastic frame
SIM Nano-SIM + Nano-SIM
Display
Type IPS LCD, 120Hz
Size 6.67 inches, 107.4 cm2 (~84.2% screen-to-body ratio)
Resolution 720 x 1600 pixels, 20:9 ratio (~263 ppi density)
Platform
OS Android 15, HIOS 15.1
Chipset Mediatek Helio G81 (12 nm)
CPU Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU Mali-G52 MC2
Memory
Card slot Unspecified
Internal 128GB 4GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
Main Camera
Single 13 MP, f/1.8, 27mm (wide), PDAF
Features Dual-LED flash, HDR
Video 1080p@30fps
Selfie camera
Single 8 MP
Video Yes
Sound
Loudspeaker Yes, with dual speakers
3.5mm jack Yes
Comms
WLAN Yes
Bluetooth Yes
Positioning GPS
NFC No
Infrared port Yes
Radio FM radio
USB USB Type-C, OTG
Features
Sensors Fingerprint (side-mounted); unspecified sensors
Battery
Type 6000 mAh
Charging 18W wired
Misc
Colors Veil White, Ripple Blue, Titanium Grey, Ink Black
Models KM4k
Price About 90 EUR

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