An analysis of the web browser preinstalled on Xiaomi smartphones revealed excessive telemetry to gather as much personal data from the device’s end user as possible. Based on these findings it is questionable how much any software or hardware created by Xiaomi can be trusted.
source: https://palant.info/2020/05/04/are-xiaomi-browsers-spyware-yes-they-are…/
archived source: https://wellthissucks.xyz/2020/05/04/xiaomi-browsers-are-spyware-archived-source/