Thin phones are the hottest thing in flagships right now, and it’s easy to see why. They try to fit the best of the Android or iOS experience into a lighter, easier-to-hold body, pushing the limits of engineering along the way. Only, in the case of the Samsung Galaxy S25 Edge and iPhone Air, there are quite a few limits to be found — especially when it comes to battery life. Now, TECNO wants to prove that there are ways around those limits. It has introduced its own ultra-slim challenger, the TECNO Slim, with an eye on the thin phone crown.

But can it truly compete with Samsung’s flagship? Let’s dig into its battery, design, and AI features to find out.

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