How to install OneOS v21.8.3 MIUI 12.6 for Poco X3 NFC Android 11. MIUI BASE Used: STABLE. OneOS changes: New – All fluency and ram management patches applied to weekly, Optimize – Updated Security Application and MiuiSystemUI-Plugin, Optimize – Stability and performance improvements, New – Last recent used bases, New – Support for Mi Mix • Read More »