Xiaomi Mi 4 With Metal Chassis Teased for July 22 Launch Xiaomi is gearing up for the launch of its next flagship smartphone and the successor to its flagship Mi 3 smartphone, thought to be called the Mi 4, later this month. The July 10, 2014 Case Study/Channel/Game Online/IT Magazine/LCD TV/LED TV/Magazine Advertisement india/Mobile Launch/Motherboard/Networking/News/Phone Reviews/Security/Social Media/Tablet/Technology News/Telecom News/TV