OneOS

byChar0n · Tools

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AI summary

Runs a second Android system alongside One UI on rooted Samsung Galaxy phones, switching between systems without flashing. Version 0.4.70 adds Vulkan graphics support for Exynos devices and fixes SIM service support for select MediaTek phones.

Generated by AI. May contain inaccuracies.

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About this app

OneOS runs a second Android system next to One UI on a rooted Samsung Galaxy and switches between the two without flashing anything. One UI stays installed; the other system lives in a folder on the phone and starts on One UI's kernel as a container with its own zygote and system_server. You switch from the OneOS app and come back with Back to One UI (the OneOS app inside the other system) or by holding Volume Up + Volume Down for 3 seconds.

License

OneOS is licensed under the Apache License 2.0. Parts of this repository come from other projects and keep their own terms: the OneLineage-derived session scripts (published with WeWaffles' permission). See NOTICE and CREDITS.md.

tools android root container dual system

What's new

v0.4.70Nov 8, 2026

OneOS 0.4.70: OxygenOS on the S22 series and S23 FE, Vulkan on Exynos, HyperOS SIM on MediaTek A phones Update from the Update banner on the app's launch screen, or install the APK from SourceForge: https://downloads.sourceforge.net/project/oneos-mirror/v0.4.70/OneOS-0.4.70.apk
OxygenOS 16 (One UI 8.0 / 8.5 phones only) S22, S22+, S22 Ultra, S23 FE (and A25, A33, A53): the guest crashed right after the OneOS screen. Their kernel refuses the kind of mount OxygenOS needed, even the fallback added in 0.4.68. It is now built without it. Exynos phones (A54, A26, S23 FE): black screen, then back to One UI. Same graphics hang as on MediaTek; Exynos phones now draw with Vulkan too (MediaTek since 0.4.69). No OxygenOS session from 0.4.69 or 0.4.70 has reached us yet. Please send a report from the OneOS app right after your first run, whatever happens. HyperOS on the Galaxy A07, A16 4G and A17 (MediaTek): no SIM HyperOS waited for a type of radio service these phones don't have, so the SIM never came up. Fixed (updated HyperOS files, downloaded by the app).
Also Reports now say which OneOS version ran the session (not only the one that sent the logs). Still not on One UI 9 for OxygenOS; OxygenOS camera not working yet.