Download MIUI V18.104.22.168 Global Stable based on Android 10 for Xiaomi Mi A3 from here.
Download MIUI V22.214.171.124 Global Stable Recovery ROM based on Android 10 for Xiaomi Mi A3 from here. Download MIUI V10.3.14 Global Stable Recovery ROM from here. Download MIUI V10.3.14 Global Stable OTA ROM from here.
Archive name: miui_LAURELSPROUTGlobal_V126.96.36.199.QFQMIXM_79d650b0da_10.0.zip
Archive size: 1.3 GB
Xiaomi device codename: laurelsprout
Android version: 10.0
Caution Please do not update firmware unless you know what you are doing, you really want it or it is absolutely necessary. Firmware updates may occasionally have bad results, like bricking your device, temporarily or permanently. The firmware update process is done entirely at your own risk. Before attempting to update the firmware, back up your data.