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Spy photo reveals core Xiaomi 15T specs ahead of launch
A leaked photo of the protective sleeve that ships inside the retail box has surfaced, listing several key specifications for the upcoming Xiaomi 15T. The T-series sits next to Xiaomi’s flagship number series but prioritizes value-for-money, and this latest leak gives the best preview yet of what that balance will look like.
What’s new on the hardware side
According to the image, the standard Xiaomi 15T will be powered by MediaTek’s Dimensity 8400-Ultra and feature a larger 6.83-inch 120Hz display — a step up from the 6.67-inch panels used in several recent Xiaomi and Poco models. Battery capacity is listed at 5,500mAh with 67W fast charging, a 500mAh increase over last year’s 14T but still smaller than some competitors in the midrange segment.
Key takeaways:
- Chipset: Dimensity 8400-Ultra (same SoC found in the Poco X7 Pro)
- Display: 6.83" OLED, 120Hz
- Battery: 5,500mAh with 67W wired charging
- Camera details are sparse, but Leica Summilux branding is expected to return

Comparisons and expected camera setup
Compared with the Poco X7 Pro, the 15T appears to offer a larger screen while using the same main platform. Camera specifics weren’t printed on the sleeve, but Leica Summilux optics are reportedly returning. For context, last year’s 14T included a 50MP 1/1.56" main sensor with OIS, a 50MP 2x telephoto and a 12MP ultra-wide, plus a 32MP front camera — a likely reference point for the 15T’s imaging ambitions.
15T Pro and launch timing
A higher-end Xiaomi 15T Pro is expected as well. Geekbench listings point to a Dimensity 9400+ powering the Pro variant — the same high-end chip used in the Redmi K80 Ultra. Xiaomi has scheduled the official reveal for September 24; teasers are already rolling out on Xiaomi’s X account.
This T-series refresh looks aimed at users who want near-flagship features without flagship pricing: bigger display and a larger battery than last year, familiar high-performance MediaTek silicon, and Leica-branded optics for photography-oriented buyers.
Source: gsmarena
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