Xiaomi is also rolling out this beta update for the Mi 8 and the Mi 8 Pro users.
Xiaomi Mi 9 was also spotted early in January with Snapdragon 855 under the codename Cepheus.
No word yet on whether either of the two new variants of the Mi 8 are being brought to India.
The Mi 8 Youth is expected to pack a dual-camera setup on the back and a 24 MP camera on the front.
The Mi 8 has an in-display fingerprint scanner and packs a 2900mAh battery. It also runs Android 8.1 Oreo.
The Xiaomi Mi 8 Explorer Edition was launched alongside the Mi 8 and the Mi 8 SE in May.
The Mi 8 Explorer Edition with 8 GB RAM and 128 GB storage was available at CNY 3,799 (roughly Rs 40,000).
Details of the next version of Xiaomi Mi Max 2, Mi Max 3 has been spotted online and the company might be planning to bring the device to the market.
Xiaomi MI 8 SE with Snapdragon 710, dual-camera goes on sale in China starting at a price of CNY 1,799
The Mi 8 SE is available in four finishes and also has the large display notch up front which is part of both the Mi 8 and Mi 8 Explorer Edition.
The key areas of focus for the MIUI 10 are performance, UI, sounds and AI Portraits.
The Mi 8 starts off at just CNY 2,699 (approx Rs 28,000) which makes it the cheapest smartphone to come with a Snapdragon 845 SoC.
The smartphone and connected device maker is looking to rev up excitement levels with its fans—and potential investors—ahead of the Hong Kong listing
The official posters that have been leaked expose the design as well as the configuration of the fitness band giving us a quick preview of what's in store.
Hours ahead of the launch, Xiaomi CEO, Lei Jun has shared three camera samples of the Mi 8, and they look impressive.
Xiaomi Mi 8, Mi 8 SE and Mi Band 3 expected to be launch in China today: Here's where and when to watch it
Xiaomi Mi 8 is expected to come with the new Android P inspired MIUI 10 to be launched at during the event.
The Mi 8 SE will feature an AI-enabled dual-camera setup on the back with 1.4 μm pixel size. On the front, it will expectedly feature a 20 MP camera unit.
Xiaomi has revamped both main user interface and also renewed control centre, lock screen and weather widget in the user interface.
The Mi Band 3 is expected to get a display similar to the Band 2, but this time with a 2.5D curved glass on top but without a physical button.
Xiaomi Mi 8's poster and retail box photos surface online revealing specs before the launch on 31 May
Xiaomi will be launching MI 8 on 31 May after the launch of their flagship phone, MI 6, last year.
Xiaomi Mi 8 is expected to launch on 31 May: Here is all we know about the next flagship device from the Chinese smartphone maker
The big question for the Xiaomi India enthusiasts will be whether the company will bring the Mi 8 to India?