September 3, 2019: Surprisingly, Xiaomi is already rolling out Android 10 to the Redmi K20 Pro. According to XDA-Developers’ Mishaal Rahman, the update is only available in China. That said, K20 Pro owners around the world should expect to get Android 10 very soon.
September 12, 2019: Looks like the Android 10 update for the Xiaomi Mi 9T (also known as the Redmi K20) is just around the corner. Xiaomi told AusDroid that it plans on rolling it out in October.
September 24, 2019: According to users of Xiaomi’s Mi Community forum, the stable version of Android 10 is rolling out to Redmi K20 Pro devices in India.
September 30, 2019: According to a Xiaomi support representative (via PiunikaWeb), the Android 10 update will start rolling out to the Mi A2 Lite in the UK next week