Among them, the Redmi Note 13 5G appears to be closest to a public rollout with the build OS3.0.0.2.VNQMIXM already in a near-stable state.
Xiaomi has quietly begun testing HyperOS 3, based on Android 15, and a dozen devices are already running early builds. For many of them, this will also be the last major software upgrade they ever receive.
Internal Mi Community testing logs show that these models are currently being tested with Android 15-based HyperOS 3 builds:
Redmi Note 13 5G series (Global, EEA, Turkey, China)
POCO F5 Pro / Redmi K60 (Global + China)
Xiaomi 13 Lite / Civi 2 (EEA)
Xiaomi MIX FOLD 2
Xiaomi 12T Pro / Redmi K50 Ultra
Xiaomi 12 Pro / 12S Ultra / 12
Redmi K60 Pro
Xiaomi Civi 3
Redmi Note 12T Pro
Xiaomi Pad 6 Pro
Among them, the Redmi Note 13 5G appears to be closest to a public rollout with the build OS3.