It's interesting that the K series didn't get a go at it before. A few days ago some details about the upcoming Redmi Note 15 ...

Redmi Note 15 Pro+ becomes the first in the series to support satellite communication via BeiDou. Learn more about it here.

Redmi Note 15 Pro+ to launch with Beidou satellite messaging, 90W charging, and flagship-grade specs. China debut expected in August.