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Xiaomi 18 Fold
HyperOS 4.0Chinalhasa

Xiaomi 18 Fold Firmware (China)

Latest: OS4.0.21.0.XPNCNXM · Android 17.0 · Sep 26, 2026

Latest builds

Latest Stable
OS4.0.21.0.XPNCNXM
Sep 26, 2026
Latest Stable Beta
OS4.0.5.0.XPNCNXM
Sep 7, 2026
Android
17.0
Builds tracked
2

All Xiaomi 18 Fold (China) firmware

DeviceVersionAndroidBranchReleased
Xiaomi 18 FoldChina · lhasaOS4.0.21.0.XPNCNXM
HyperOS 4.0Stable
17.0Stable
Xiaomi 18 FoldChina · lhasaOS4.0.5.0.XPNCNXM
HyperOS 4.0Stable Beta
17.0Stable Beta

Xiaomi 18 Fold update FAQ

What is the latest firmware for the Xiaomi 18 Fold (China)?
The newest build is OS4.0.21.0.XPNCNXM (HyperOS 4.0, Android 17.0, Stable) released on September 26, 2026.
Has the Xiaomi 18 Fold (China) received HyperOS 3?
Not yet — no official HyperOS 3 build has been released for this model and region so far. This page updates automatically the moment it appears, or follow our Telegram channel for an instant alert.
What is the codename of the Xiaomi 18 Fold?
The Xiaomi 18 Fold (China) uses the codename lhasa.
How do I update my Xiaomi 18 Fold manually?
Download the Recovery ROM below, then open Settings → About phone → HyperOS version, tap ⋮ → Choose update package and pick the file. The update keeps your data. Fastboot ROMs are for clean installs via Mi Flash Tool.