How to block, mark as spam, or unblock phone numbers on Xiaomi devices

Xiaomi Mi 10T Lite 5G Xiaomi Mi 10T Lite 5G
Xiaomi Redmi 9i Xiaomi Redmi 9i
Xiaomi Poco M2 Xiaomi Poco M2
Xiaomi Poco X3 NFC Xiaomi Poco X3 NFC
Xiaomi Redmi 9 (India) Xiaomi Redmi 9 (India)
Xiaomi Mi 10 Ultra Xiaomi Mi 10 Ultra
Xiaomi Redmi K30 Ultra Xiaomi Redmi K30 Ultra
Xiaomi Redmi 9 Prime Xiaomi Redmi 9 Prime
Xiaomi Black Shark 3S Xiaomi Black Shark 3S
Xiaomi Redmi 9 Xiaomi Redmi 9
Xiaomi Redmi 9C Xiaomi Redmi 9C
Xiaomi Redmi 9A Xiaomi Redmi 9A
Xiaomi Poco M2 Pro Xiaomi Poco M2 Pro
Xiaomi Mi 10 Lite Zoom Xiaomi Mi 10 Lite Zoom
Xiaomi Mi 10 Youth 5G Xiaomi Mi 10 Youth 5G
Xiaomi Redmi 5 Plus (Redmi Note 5) Xiaomi Redmi 5 Plus (Redmi Note 5)
Xiaomi Redmi 8A Pro Xiaomi Redmi 8A Pro
Xiaomi Redmi 10X Pro 5G Xiaomi Redmi 10X Pro 5G
Xiaomi Redmi 10X 5G Xiaomi Redmi 10X 5G
Xiaomi Redmi 10X 4G Xiaomi Redmi 10X 4G