People stand near a logo of Xiaomi ahead of the launching ceremony of Xiaomi Phone 4, in Beijing, July 22, 2014.REUTERS/Jason Lee

Xiaomi has officially announced that it will launch the new MIUI 8, a big update of Mi phones' operating system, on May 10. The OS will be released along with Xiaomi Mi Max handset and Mi Band 2.

"Evolving from the first version in 2010, MIUI has served as the operating system for over 150 million across the globe. I am sure all of your devices have updated to the latest version of MIUI 7, no matter you are using stable or developer ROMs," said a post on MIUI forum

"On May 10, we will introduce you MIUI 8, with the features you always wanted and new designs beyond your imagination. New design, with new experience," it added.

There is no information on the Mi Band 2 except a teaser by the company's CEO showing a display. However, several details about the Xiaomi Mi Max have been leaked over the last few weeks. The company had earlier revealed that the device will be unveiled at Beijing National Convention Center on May 10.

The device has been spotted at GFXBench site with a 6.4-inch full HD display with 1,920x1,080 pixels. It is also reported that the handset will have an Android 6.0.1 Marshmallow OS, a Qualcomm Snapdragon 650 hexa-cor, an Adreno 510, a 2GB RAM, a 16GB internal memory, a 16MP primary camera and a 5MP front-snapper.