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As the ultra-slim phone trend teeters, new leaks suggest Xiaomi may still be diving into the thin-phone experiment with a rumored Xiaomi 17 Air. Early reports point to ambitious specs that try to balance style with real-world battery life — a combination many rivals have struggled to deliver.
Why the thin-phone wave is wobbling
2025 kicked off with brands chasing thinner designs: Samsung launched the Galaxy S25 Edge and Apple followed with the iPhone Air. But sales tell a different story. Both ultra-slim flagships reportedly faced weak demand, and Samsung is said to be discontinuing its Edge line after a single launch. That leaves the future of the slim-phone trend uncertain — but not dead.
Xiaomi’s rumored answer: the 17 Air
Chinese tipsters are whispering that at least two of the nation's top five smartphone makers are testing ultra-thin, ultra-light models. One of those could be Xiaomi. Leak accounts like Digital Chat Station and Smart Pikachu point to a possible Xiaomi 17 Air that aims to compete on specs as well as profile.
What the leaks say
- 6.6-inch 1.5K display — a sweet spot for sharpness without pushing up power draw
- 200MP main camera — a high megapixel count that even the 17 Pro Max reportedly lacks
- Full eSIM support with no physical SIM tray — a common choice for saving internal space

Can a slim phone still offer real battery life?
That’s the million-dollar question. Xiaomi and other Chinese brands have been experimenting with silicon-carbon battery tech and denser pack layouts, squeezing more capacity into less space. The Xiaomi 17 Pro Max, for example, reportedly fits a huge 7,500mAh battery inside an 8mm chassis — a sign of how packaging gains are changing the rules.
So if Xiaomi targets a 6mm-class “Air” model, a pragmatic guess is a battery just under 5,000mAh — not revolutionary, but far better than many early ultra-thin attempts. In short: the right materials and design can make a slim device actually usable day-to-day.
Why this matters for buyers and the market
Design-first phones looked great on spec sheets, but consumers ultimately want balance: camera performance, battery life, and comfort. If Xiaomi’s 17 Air can marry an elegant 6mm profile with a respectable battery and a 200MP shooter, it could reinvigorate interest in slim devices — especially in markets that favor long battery life.
For now, Xiaomi hasn’t confirmed a 17 Air. These are leaks and educated guesses, but they’re worth watching: the next wave of thin phones may not be about shaving millimeters for style alone, but about smarter engineering that actually improves the user experience.
Source: gizmochina
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