Tecno Spark Slim Specifications, Price (Expected), Know Before Launch
Tecno Spark Slim is expected to launch as the world’s thinnest smartphone, featuring a premium slim design, powerful cameras, and a 6.78″ AMOLED display at an estimated price of ₹17,999.

The Tecno Spark Slim smartphone has already become a talking point in the tech industry even before its official launch. Its concept version was showcased at MWC 2025, and the company is claiming it to be the world’s thinnest smartphone. Let’s find out what special specifications and features you might get in this smartphone.
Design and Build Quality (Expected)
- The main attraction of the Tecno Spark Slim is its premium slim design with a thickness of just 5.75mm.
- It features a stainless steel unibody frame and a curved 3D AMOLED display.
- The phone weighs around 146 grams, making it extremely thin and lightweight.
- The body is made entirely from recycled aluminum, making it durable and environmentally friendly.
Tecno Spark Slim Specifications (Expected)
Display
- It sports a 6.78-inch 3D curved AMOLED display.
- The resolution is 1.5K (1224p) with a refresh rate of 144Hz, ensuring smooth scrolling and gaming.
- The display offers up to 4,500 nits brightness, making it easily visible even in strong sunlight.
- With Gorilla Glass protection and a punch-hole design, it provides a modern look.
Processor, RAM, and Storage
- The phone may feature a Qualcomm Snapdragon 7 Gen 3 or MediaTek Dimensity 810 chipset (final confirmation pending).
- RAM options could be up to 8GB/12GB, and storage options up to 128GB/256GB, with virtual RAM expansion supported.
- The OS is expected to be Android 14 or Android 15-based HiOS.
Camera
- It will likely have a dual rear camera setup, both sensors being 50MP.
- The front camera is 13MP for high-quality selfies and video calling.
- The camera supports AI technology, HDR, Night Mode, and Dynamic Light-Band features for excellent pictures in any condition.
Battery and Charging
- Despite its slim form, it has a 5,200mAh high-density battery.
- The battery is just 4.04mm thick.
- With 45W fast charging support, the phone charges quickly and lasts all day.
Other Features
- In-display fingerprint sensor, face unlock, NFC, Bluetooth 5.4/5.3, Wi-Fi 6/7, and a USB Type-C port are expected.
- Support for 5G, dual SIM, OTG, and USB Type-C audio is included.
- A custom notification LED light bar is integrated into the phone’s design.
Expected Launch and Pricing
- Currently, Tecno Spark Slim has only been shown as a concept, but similar specs are expected in the production version.
- In India, its estimated price is ₹17,999 (8GB+128GB variant).
- The official launch date has not been confirmed yet, but it is expected to hit the market in the second half of 2025.
Conclusion
Tecno Spark Slim, with its ultra-slim design, superb display, powerful cameras, and reliable battery life, is set to make waves in the mid-range market. Those seeking a slim and stylish smartphone might find this device especially compelling.
Note: The final features and specifications are yet to be confirmed by the company, so changes are possible until the launch.