How to install SparkOS A12 for Poco X3 NFC (Surya) Maintained By @TheStrechh. Changelog : Sync source spark, Update blobs to last MIUI V12.5.4.0.RJGMIXM ( You need now last firmware ), Kernel upstreams CAF and Selinux version, Selinux enforcing, Other things. Use at your own risk, I’m not responsible for bricking your device.