Introduction
The smartphone industry is constantly evolving, pushing the boundaries of innovation. TECNO has once again set a new benchmark with the TECNO SPARK Slim, unveiled at MWC 2025. Measuring just 5.75mm thick, it stands among the world’s thinnest smartphones. What makes it even more remarkable is its 5,200mAh battery, proving that ultra-slim doesn’t have to mean compromising on power.
In this article, we dive into the complete specifications, unique features, market positioning, and whether the TECNO SPARK Slim is worth your attention.
TECNO SPARK Slim: Key Specifications
| Feature | Details |
|---|---|
| Display | 6.78-inch AMOLED, 1.5K resolution, 144Hz |
| Thickness | 5.75mm (One of the thinnest phones) |
| Battery | 5,200mAh with fast charging |
| Processor | MediaTek Dimensity 8050 (Expected) |
| RAM & Storage | 8GB/12GB RAM, 128GB/256GB Storage |
| Camera | 50MP Dual Rear Camera, 13MP Front Camera |
| Build Material | Recycled aluminum & stainless steel |
| OS | Android 14 with TECNO HiOS 14 |
What Sets the TECNO SPARK Slim Apart?
1. Ultra-Slim Design – A Record-Breaking Phone
TECNO has redefined smartphone aesthetics with its ultra-thin 5.75mm design, making it one of the thinnest smartphones in history. Despite its slim profile, the device maintains durability by using recycled aluminum and stainless steel, promoting sustainability without compromising on strength.
2. Powerful 5,200mAh Battery in an Ultra-Thin Form
One of the biggest surprises is how TECNO managed to integrate a 5,200mAh battery into such a slim chassis. The use of high-density battery technology allows the device to store more power while keeping its sleek form factor.
3. Stunning 6.78” Curved AMOLED Display
The 6.78-inch curved AMOLED display with a 1.5K resolution (1224p) and 144Hz refresh rate delivers a buttery-smooth user experience. It provides vibrant colors, sharp contrasts, and immersive visuals, making it perfect for gaming and multimedia consumption.
4. AI-Powered Camera System
50MP Dual Rear Camera for professional-grade photography.
13MP Selfie Camera for crisp and detailed selfies.
AI-powered low-light photography enhances image quality in dim environments.
5. Smooth Performance with MediaTek Dimensity 8050 (Expected)
The TECNO SPARK Slim is rumored to pack the MediaTek Dimensity 8050 chipset, delivering powerful performance for gaming, multitasking, and efficiency. Coupled with 8GB or 12GB RAM and 128GB/256GB storage, this phone is designed to handle everyday tasks effortlessly.
Industry Trends & Market Positioning
The TECNO SPARK Slim aligns with the growing trend of ultra-thin smartphones, competing with models like:
Samsung Galaxy S25 Edge (5.84mm thick)
Apple iPhone 17 Air (5.5mm, rumored)
However, TECNO holds a key advantage—a larger battery capacity than its competitors, making it a practical choice for users who prioritize both design and longevity.
Expected Release Date & Price
While TECNO has not officially announced a release date, the SPARK Slim is expected to launch in Q2 2025. Pricing is estimated between $350 – $450, making it a competitive offering in the ultra-slim smartphone category.
Pros & Cons of TECNO SPARK Slim
Pros:
✔ Exceptionally slim (5.75mm) – Among the thinnest in the world.
✔ Massive 5,200mAh battery – Uncommon for ultra-thin phones.
✔ Breathtaking 6.78” 144Hz AMOLED display – Stunning visuals.
✔ AI-powered 50MP camera – Professional-grade photography.
✔ Sustainable build – Uses recycled aluminum & stainless steel.
✔ Latest Android 14 with HiOS 14 – Enhanced software experience.
Cons:
✖ No official IP rating for water resistance.
✖ No wireless charging – A missing flagship feature.
✖ Pricing might be high compared to some competitors.
Final Verdict: Is TECNO SPARK Slim Worth Buying?
The TECNO SPARK Slim is an innovative marvel, breaking barriers in design and functionality. If you’re looking for an ultra-thin smartphone that doesn’t compromise on battery life, display quality, or camera performance, the SPARK Slim is definitely worth considering.
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Also Read: Nothing Phone 3 Review || Samsung Galaxy A36 & A56 Review
FAQs (Frequently Asked Questions)
The TECNO SPARK Slim is only 5.75mm thick, making it one of the thinnest smartphones ever.
Yes! Despite its ultra-thin design, it features a 5,200mAh battery, ensuring all-day usage.
While TECNO hasn’t officially confirmed it, the device is expected to feature the MediaTek Dimensity 8050 chipset.
The SPARK Slim is anticipated to be released in Q2 2025.
The expected price range is $350 – $450, depending on the variant.
