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The Xiaomi 17 Ultra has surfaced in a fresh regulatory filing, and the standout detail is support for direct satellite connections. The listing points to satellite calling and messaging through Chinese networks, plus Ultra-Wideband (UWB) support — a first for Xiaomi flagships.
Satellite calling and UWB: what the filing reveals
According to the approval, the handset will work with Tiantong-1 and Beidou for satellite calls and messages. Tiantong-1 is China’s dedicated satellite communication system, while Beidou is the country’s satellite navigation and positioning network — together they enable out-of-range messaging and basic voice links when cellular networks aren’t available.
Another notable addition is UWB support. Ultra-Wideband brings precise spatial awareness for things like secure device-to-device transfers, finding lost accessories, and smarter smart-home interactions. If implemented well, it could raise the Xiaomi 17 Ultra’s value for power users and ecosystem-conscious buyers.
One model number, two possibilities
The regulatory entry lists a model number of 25128PNA1C, which differs from the identifier that appeared in earlier leaks. That discrepancy could mean a couple of things: Xiaomi might offer a China-only variant with satellite capability, or the brand could ship two regional versions — one with satellite support, one without.
Leaked rumors have also hinted at camera refinements for the 17 Ultra, suggesting Xiaomi is fine-tuning both hardware and connectivity ahead of a likely early‑2026 launch. But until Xiaomi confirms, the dual‑model theory remains speculation.
Why this matters for users
Imagine being able to send a text or place a short call from remote locations where no mobile signal exists — that’s the obvious upside of satellite support. Emergency use, outdoor adventures, and certain professional workflows stand to benefit. At the same time, regulatory approvals, carrier partnerships, and regional satellite access will determine how broadly those features roll out.
- Satellite systems listed: Tiantong-1 and Beidou
- New connectivity: direct satellite calls and messages
- Extra hardware: UWB support for proximity features
- Possible variants: differing model numbers suggest regional differences
For now, keep an eye on more leaks and official announcements. The Xiaomi 17 Ultra is shaping up to be a connectivity-forward flagship, but final specs, regional availability, and launch timing will only be clear when Xiaomi speaks up.
Source: gsmarena
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