MIUI stands for Mi User Interface which comes with every Mi device. The term UI often referred as User Interface. The main goal of MIUI is to make the design simple and effective. That’s why they called MIUI “Yours by design”.
There are some handy shortcuts added in MIUI V7. Probably you already knew some of them. Rest of the handy shortcut are given below:
- OHO (One Hand Operation)
To activate OHO press on the Home and quickly swipe LEFT or RIGHT to activate OHO. See the below picture.

- Swipe Up / Down Short-cut
Swipe up for “Global search” and swipe down for activating the “Notification shade shortcut”.

- Camera Shortcut
When you are in camera mode swipe up/down to quick switch between Rear and Front Camera.

- Home Screen Edit Mode
Pinch in to enter into the “Home screen edit mode”.

- Hidden/Private Message
Do a series of swipe down on message homepage to open the hidden or private message.

- APP Notification Shortcut
Double click on the app on the home screen to disable to enable app notifications.

- Recent Tray Shortcuts
On recent tray icon, perform a pinch In/Out to show the preview. Swipe up to close the app and swipe down to lock the app on RAM.

how about camera shortcut from lock screen?