The latest device to get Android 11 in Redmi’s lineup is the Redmi Note 9S, also know as the Note 9 Pro in India. The new update bears the MIUI 12.0.1.0 RJWMIXM build number and comes in at 2.3GB in size. Redmi Note 9s Android 11 update You also get the January security patch on top of the usual Android 11 goodies including chat bubbles, one-time permissions and improved media controls. Keep in mind that this is a staged rollout and availability will vary depending on your region. Via
Source: https://www.gsmarena.com/redmi_note_9s_gets_android_11-news-47505.php