Earlier today Xiaomi confirmed that it will introduce its flagship Mi 9 smartphone at an event in China on February 20th. It also sent out invites for its MWC 2019 event in February 24th in Barcelona on February 24th. It was expected to introduce Mi Mix 3 5G at the event, now the company has posted a new teaser on Twitter hinting at Mi 9 with triple rear cameras at MWC.