Tips/Tricks [updated 2/24] - New tips are at the bottom of this post!
1. Long press on the icon in Toggles to launch the settings for that icon.
When you pull down the notification bar, you will see the Toggle settings for plenty of options (such as WIFI, volume, backlight etc). Long press on any icon in the Toggle mode will launch the setting for that icon.
2. Built-in Screen Capture function
One of the lacking feature in Android is the lack of a built-in screen capture feature (like in iPhone). Not anymore. With MIUI, you can press the “Menu” key and “Volume Down” key at the same time to capture a screenshot. The printed image is saved in the “MIUI: directory in the sd card.
3. Press Home key to preview screens
Pressing the Home button once will bring you back to the Home screen. Pressing the Home button button will show you all the screen thumbnails. You can also ad/remove screens from here.
4. Slide from left to right to quickly delete a message or a call log.
In the SMS or Dialer app, swipe left or right any entry will bring up the Delete mode.
5. Move home screen icon easily
Hold down an icon by one hand to enter Edit Mode, and then use the other hand to slide the screen to move the icon to the target screen.
6. Launch Music Player in lockscreen
In the lockscreen, double tap the time zone to launch the Music Player. (The Music Player is hidden by default, unless a song is playing)
7. Quickly access the Dialer or SMS from the lockscreen
In the lockscreen, hold down the icon of Call or SMS, and you can enter the responding program.
8. Activate the torch from the lockscreen
In the lockscreen, hold down the Home button to enable the torch.
9. Access shortcut menu from contact image
In the Calls, SMS or Contacts app, tap the contact image and a shortcut menus will appear.
10. Running Apps List: Long press on the Home button can go to “Program Manager”. Click the “Clear up” button at the bottom left to clear the extra processes in memory. And the system will inform you of the released memory and current available memory.
Note: System processes will not be cleared so as to ensure the normal running of the system.
11. Switch the Battery UI to show percentage
The default battery UI can be switched to display percentage of left battery capacity. To do so, go to “Settings -> System -> Battery Settings -> Battery Indicator Style -> Percentage“.
12. Long press on the Home button to show History
Like any other Android ROM, long press on the Home button will show the recently used apps. However, in MIUI, there is also an App Killer and App Manager button. Swiping the popup left will show the search form.
13. Setting up IP dialing
If you need to add an IP prefix for a particular number in a strange land, you can set it in Settings -> Common -> Calls Settings. Turn the “Auto IP dialing” ON and set the IP prefix and current area code.
14. Send SMS for rejected calls
When you are not available to answer the phone, you may slide up the panel to reject the call and to send a message to the caller at the same time.
15. Enable 720P to record a video
If your phone comes with a camera that support HD recording, you can enable 720P in the Video mode. Run the Camera app and switch to Video. Select “High” -> “720P” in the pop-up menu of video quality.
16. Quickly uninstall an app
To uninstall an app, simply press and hold the icon until the trash bin show up at the top of the screen. Move the icon to the trash bin to uninstall the app.
17. Quickly read SMS and mark it read
In the lockscreen, press down the SMS button (without dragging it down) to reveal the new incoming message on the lockscreen. Once you have finished reading it, double tap on the SMS button to mark it read.
18. Important SMS: As for those important messages you want to add to your favorites, you may long press the message in the pop-up menu and select "Favorites". You may switch to "Favorites" tab in the main SMS interface to view collected messages.
19. Quick Delete SMS: You may slide from left to right on the item and click on the red "Delete" button when it appears.
20. Backup settings, wifi, themes, apps, data etc.
MIUI comes bundled with some MIUI apps. One includes Backup. This tool allows you to backup app+data, theme, homescreen layout, etc.. This is a very handy tool!!
21. When you hold down home, and bring up your taskmanager, you can long press on the app and it'll bring up extra info!
22. BATTERY SAVING TIP: IF YOU DON'T CARE FOR LED NOTIF., do the following:
a. Press the search button on your phone.
b. Once the miui search box comes up, press menu button on your phone, and hit settings
c. In the searchable items list, turn on "settings" and go back.
d. Search LED. Scroll down till you find LED pulse notif... click that and turn off LED notif. You'll notice decent battery increase!!!
Samsung Galaxy S III Verizon