Redmi 9C NFC Global Stable V12.0.6.0
OTA Apply for V12.0.5.0
https://bigota.d.miui.com/V12.0.6.0.QCSMIXM/miui-blockota-angelican_global-V12.0.5.0.QCSMIXM-V12.0.6.0.QCSMIXM-c88246e649-10.0.zip
Recovery ROM
https://bigota.d.miui.com/V12.0.6.0.QCSMIXM/miui_ANGELICANGlobal_V12.0.6.0.QCSMIXM_ac2dd2d85b_10.0.zip
>>> All firmware: xiaomifirmware.net