Tecno Spark 40C

Name: Tecno Spark 40C
Brand: Tecno

Display6.67" 720 x 1600 pixels

ChipsetMediatek Helio G81 (12 nm)

Main camera13MP

Battery6000 mAh

5.7GoSolo score

ReviewMore Tecno

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

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

Durability

IP64 dust tight and water resistant (water splashes) Drop resistant up to 1.5m

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

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

Modules

13 MP, f/1.8, 27mm (wide), PDAF

Features

Dual-LED flash, HDR

Video

1080p@30fps

Selfie Camera

Module

8 MP

Features

Yes

Comms

WLAN

Yes

Bluetooth

Yes

Positioning

GPS

NFC

Radio

FM radio

USB

USB Type-C, OTG

Features

Sensors

Fingerprint (side-mounted); unspecified sensors

Battery

Type

6000 mAh

Charging

Fast Charging up to 18 W

Misc

Colors

Veil White, Ripple Blue, Titanium Grey, Ink Black

Models

KM4k

GoSolo Read / what it means6 takeaways

battery

6000mAh, about 1.5 days light useEnough for roughly 12 to 14 hours of everyday screen time (messages, browsing, social media), so a single charge will stretch into the next morning if you are not heavy on video or games.

charging

18W wired, roughly 90 to 110 minutesFrom dead to full takes around 1.5 to 2 hours, so you will need a midday top-up if your day runs long.

display

6.67 inches, 720p, 120HzA large screen with 263 ppi pixel density; text and icons are sharp enough for daily reading, and scrolling feels smooth, though the 720p resolution means photos and video play slightly softer than higher-resolution phones.

performance

MediaTek Helio G81, 8-core 2.0 GHzSuitable for light gaming (Clash of Clans, Among Us) and everyday apps without strain, but demanding titles (PUBG Mobile, Genshin Impact) will run at reduced settings or frame rates.

storage

128GB or 256GB options availableEven the base 128GB model leaves ample room for apps, photos, and video after accounting for the OS; the 256GB variant is safer if you keep large video libraries offline.

durability

IP64 dust and splash resistantThe rating means dust and water splashes (rain, spilled drinks) will not cause immediate harm, but submersion or sustained jets will; treat it as splash-safe, not waterproof.

GoSolo Score Breakdown

Design67

Display67

Performance41

Camera52

Battery67

Value57

GoSolo Verdict

The Spark 40C is a budget Android phone that trades resolution for screen size and stamina: a 6.67-inch 720p display, 6000mAh battery, and modest MediaTek chip make it a slow-burn option for media consumption and light apps, not modern gaming or photography. At 90 EUR it undercuts rivals on price, but the weak camera and sluggish charging hold it back as anything more than a no-fuss backup device.

Strengths · 4

6000mAh battery stretches to 1.5 days on light use, enough for users who forget to charge daily
6.67-inch screen with 120Hz scrolling makes browsing and video feel smooth despite 720p resolution
IP64 rating and 1.5m drop resistance add real-world durability for a budget phone
Costs about 90 EUR—undercuts most phones in its class

Trade-offs · 3

18W charging takes roughly 90–110 minutes; rivals at this price now offer 33W or faster
720p resolution at 263 ppi means photos and video look softer than phones with 1080p or higher
MediaTek Helio G81 struggles with demanding games and slows noticeably under heavy use