Redmi Note 9 5G China Stable V12.5.3.0
OTA Apply for V12.5.2.0
https://hugeota.d.miui.com/V12.5.3.0.RJECNXM/miui-blockota-cannon-V12.5.2.0.RJECNXM-V12.5.3.0.RJECNXM-29a3592034-11.0.zip
Recovery ROM
https://hugeota.d.miui.com/V12.5.3.0.RJECNXM/miui_CANNON_V12.5.3.0.RJECNXM_9a6ee651c7_11.0.zip
>>> All firmware: xiaomifirmware.net