Because these are unofficial ports, there is no single "official" download. Development is handled by different independent maintainers:
The refers to a ported version of OnePlus's OxygenOS firmware modified to run on the Xiaomi POCO X3 NFC (codename: surya ). OxygenOS is not officially supported by Xiaomi, so these files are community-made "ports" available on developer forums like XDA Forums . Port Information & Latest Versions Download OxygenOS Surya zip
Ports generally aim to bring OnePlus-specific features to the POCO hardware, including: Support for 120Hz dynamic refresh rates. Because these are unofficial ports, there is no
Integration of ANX Camera or GCam to maintain photo quality. Because these are unofficial ports