How to install RevengeOS 4.1 UNOFFICIAL on Poco X3 NFC Android 11 ROM. Maintained By @andrysciortino. RevengeOS is an operating system based on the Android Open Source Project, built with a unique look and keeping top notch performance in mind, Notes: GApps Included, OSS Vendor, SafetyNet passes by default, Device certified on Play Store, Miscellaneous • Read More »