Tecno Spark Slim is the latest addition to the Spark lineup and one of the slimmest smartphones Tecno has ever released. In this Tecno Spark Slim review, we break down everything you need to know about its specs, performance, features, and price. The Spark Slim was launched on October 10, 2025, and follows the simple, youthful design language the Spark series is known for — but this time, Tecno upgraded almost everything. You’re getting an AMOLED display, more RAM, better stereo speakers, a slimmer body, and Android 15 right out of the box.
Tecno also increased the RAM to a total of 16GB (8GB base RAM plus 8GB extended RAM) while still providing a large 256GB internal storage. Powered by a MediaTek G-series chipset, the Spark Slim supports fast charging, fingerprint unlock, face recognition, 4G LTE, and new HiOS software features. This makes it one of the most capable Spark devices Tecno has released in 2025.
TECNO SPARK SLIM KEY SPECS AND FEATURES
- 164.2*75.9*5.93mm slim
- 6.78-inch AMOLED display, 1224 x 2720 pixels
- 144Hz refresh rate
- Android 15 (HiOS 15)
- MediaTek Helio G200 processor
- 256GB built-in storage
- 16GB RAM (8GB + 8GB extended)
- 50MP rear camera and 13MP front camera
- 5160mAh battery with 45W fast charging
DESIGN
Talking about the design, the Tecno Spark Slim stands out immediately because of its extremely slim body. Tecno made the phone just about 5.93mm thick, making it one of the thinnest devices in its price range. The back is made of fiberglass with a smooth matte finish that doesn’t attract fingerprints easily. The camera module is placed neatly at the top in rectangle shape with a dual-flash setup.
The Spark Slim is lightweight and comfortable to hold for long hours. At the back, you also get Tecno’s glowing “Mood Light” design that lights up during notifications, charging and calls. The fingerprint scanner is embedded in the display, while face ID can also be used to unlock the phone. The device comes in colours like Slim White and Cool Black.
DISPLAY
Just like the recent Spark models, the Spark Slim uses a tall full-view display with very slim bezels. The phone features a large 6.78-inch AMOLED panel with a 144Hz refresh rate for smooth scrolling and better gaming visuals.
The resolution is 1224 x 2720 pixels, offering a sharper and clearer viewing experience compared to older Spark phones. The display also has a curved finish at the edges which gives the phone a premium look. A durable glass protection sits on top.
CAMERA
The Spark Slim comes with a 50MP main rear camera supported by Tecno’s enhanced AI system to detect scenes and improve colours. There is also a secondary lens for depth sensing to produce portrait shots with a more natural blur. The rear camera is supported by a dual LED flash.
On the front is a 13MP selfie camera with its own soft flash for better low-light selfies and video calls. The camera app comes with features like portrait mode, beauty mode, HDR, and night mode.
HARDWARE AND SOFTWARE
The Tecno Spark Slim is powered by a MediaTek Helio G200 processor, which handles daily tasks smoothly and supports moderate gaming. The device runs on the new Android 15 with HiOS 15 interface, offering new smart features, better animations and improved privacy controls.
The Spark Slim comes with 16GB RAM (8GB physical RAM and an extra 8GB virtual RAM) for multitasking. You also get a generous 256GB internal storage for apps, music, videos and documents. All these make the phone faster and more responsive during everyday use.
BATTERY
The Spark Slim is equipped with a 5160mAh battery that can last a full day with normal usage. It supports 45W fast charging which can fill up the battery quickly. Reverse charging is also available, allowing you to use the phone as a power bank for smaller devices.
PRICE AND AVAILABILITY
The Tecno Spark Slim is available in different retail outlets and online stores. The price ranges depending on region, but it starts from around ₦284,000 in Nigeria and varies in other markets. Prices may also differ based on colour options and discounts available at launch.
WHERE TO BUY TECNO SPARK SLIM?
See offers – Jumia Nigeria | Slot | Pointek
TECNO SPARK SLIM FULL SPECIFICATIONS AND FEATURES
IN THE BOX
- Phone
- Charger
- USB cable
- Phone manual
LAUNCH
- Announced:September 02, 2025
- Status: Available October 10, 2025
NETWORK
- Network Technology: GSM / WCDMA / LTE
- 3G Support: Yes
- 4G Support: Yes
- SIM: Dual Nano SIM
DESIGN
- Material: Fiberglass back
- Dimensions: Ultra-slim body (about 5.93mm)
- Colours: Slim White, Cool Black
DISPLAY
- Type: AMOLED
- Size: 6.78-inch
- Resolution: 1224 x 2720 pixels
- Refresh rate: 144Hz
CAMERA
- Rear Camera: 50MP + depth lens
- Front Camera: 13MP
- Rear Flash: Dual LED
- Front Flash: Yes
HARDWARE AND SOFTWARE
- Operating System: Android 15
- UI: HiOS 15
- Processor: MediaTek Helio G200
- GPU: Mali G-series
STORAGE
- Internal Storage: 256GB
- RAM: 16GB (8GB + 8GB extended)
- Memory Card Slot: No
FEATURES
- WiFi Hotspot: Yes
- Bluetooth: Yes
- Fingerprint Sensor: In-display
- Face ID: Yes
- Dual Speakers: Yes (Dolby Atmos)
- Sensors: Accelerometer, Gyroscope, Proximity
- USB Type-C: Yes
- GPS: Yes
- 3.5mm Jack: No
- Ip64 Dust & Water resistant
BATTERY
- Capacity: 5160mAh
- Type: Li-Ion
- Fast Charging: 45W
CONCLUSION
The Tecno Spark Slim is clearly built for users who want a stylish phone that feels modern without breaking the bank. Its ultra-slim design, AMOLED display, upgraded RAM, and Android 15 software make it one of the most polished Spark models released so far. While it’s still a 4G device and not meant for heavy gaming, the Spark Slim delivers a smooth everyday experience, solid cameras, and reliable battery life. If you want a lightweight phone with a premium feel and enough storage for your apps and media, the Spark Slim is worth considering.
Tecno Spark slim (FAQ)
Q1: Does the Tecno Spark Slim support 5G?
A1: No, the Spark Slim is a 4G LTE smartphone.
Q2: Does the phone have a memory card slot?
A2: No, the device does not support external memory cards, but it comes with a large 256GB internal storage space.
Q3: Is the fingerprint scanner at the back?
A3: No, the Spark Slim uses an in-display fingerprint scanner.
Q4: How long does the battery last?
A4: The 5160mAh battery can easily last a full day under normal usage.
Q5: Does it support fast charging?
A5: Yes, the Spark Slim supports 45W fast charging.
Q6: What is the RAM configuration of the phone?
A6: It comes with 8GB of base RAM plus an additional 8GB of extended RAM, making a total of 16GB RAM.
Q7: Is the Tecno Spark Slim good for gaming?
A7: It handles casual and moderate gaming well, but it is not built for heavy or competitive gaming.
Q8: Which colours are available?
A8: The Spark Slim is available in Slim White and Cool Black.
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