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

Xiaomi Mi Note 10 Xiaomi Mi Note 10
Xiaomi Mi CC9 Pro Xiaomi Mi CC9 Pro
Xiaomi Redmi 8 Xiaomi Redmi 8
Xiaomi Mi 9 Lite Xiaomi Mi 9 Lite
Xiaomi Redmi K20 Pro Premium Xiaomi Redmi K20 Pro Premium
Xiaomi Mi 9 Pro Xiaomi Mi 9 Pro
Xiaomi Mi 9 Pro 5G Xiaomi Mi 9 Pro 5G
Xiaomi Mi Mix Alpha Xiaomi Mi Mix Alpha
Xiaomi Redmi 8A Xiaomi Redmi 8A
Xiaomi Mi CC9 Xiaomi Mi CC9
Xiaomi Mi CC9e Xiaomi Mi CC9e
Xiaomi Redmi Note 8 Pro Xiaomi Redmi Note 8 Pro
Xiaomi Black Shark 2 Pro Xiaomi Black Shark 2 Pro
Xiaomi Mi A3 Xiaomi Mi A3
Xiaomi Mi 5 Standard Edition Xiaomi Mi 5 Standard Edition
Xiaomi Mi 5 High Edition Xiaomi Mi 5 High Edition
Xiaomi Mi Max SD650 Xiaomi Mi Max SD650
Xiaomi Redmi Note 4 16GB Xiaomi Redmi Note 4 16GB
Xiaomi Redmi Note 4 64GB Xiaomi Redmi Note 4 64GB
Xiaomi Mi Note 2 Standard Edition Xiaomi Mi Note 2 Standard Edition