Change Home or Lock Screen Theme
If your Home screen, Lock screen, and app icons suddenly look inconsistent after switching themes, MIUI applied only part of the new theme's assets. This happens when a saved theme only covers some elements, like Lock screen and System, but skips Icons. Picking the wrong theme ('Classic' vs 'Limitless') or a corrupted download can also leave icons untouched while wallpapers change.
Turn Camera Grid Lines On or Off
If your photos keep coming out tilted or the horizon never lines up straight, you are probably shooting without any framing guide. Xiaomi's camera app can overlay a 3x3 grid that helps you keep verticals upright and place the horizon on a clean line. Without it, minor tilts are easy to miss on a small screen and only show up later when you check the shot on a bigger display.
Sort Contacts by First or Last Name
If your Xiaomi contact list feels out of order, it usually comes down to whether the Contacts app is sorting entries by first name or last name. This becomes a real problem when you are searching for someone by their surname but the list is alphabetized by given name instead. The rule that controls this sits in one setting inside the Contacts app.
Change SIM PIN
The PIN that comes preset on a new SIM card is rarely one you can memorize, and typing the wrong code repeatedly locks the card. On Xiaomi phones you can swap it for a PIN you actually remember, but the option sits a few menus deep under network security settings rather than in the main lock screen settings.
Turn On/Off Auto-Update
If your Xiaomi phone keeps installing system updates overnight without asking, or you never get notified when a new MIUI version is ready, the auto-update setting is likely working against you. Some users want updates to install by themselves while they sleep, others prefer full control before anything changes on the device. This setting decides which of the two happens.
Wi-Fi Assistant: Select Best Networks Automatically
If your Xiaomi phone keeps switching away from a weak Wi-Fi network without asking, Wi-Fi assistant is likely doing that for you. Once every nearby network drops in signal, it can also fall back to mobile data on its own, which can use up your data plan faster than expected. This automatic switching can also cause interruptions during video calls or downloads.
Switch Keyboard Language While Typing
Typing a message in a second language on your Xiaomi phone often means the wrong keyboard stays active because it defaults to the last language you used. Leaving the text field to fix this in settings breaks your train of thought and can even discard what you typed. A quick gesture inside the text field itself switches the keyboard without closing the app.
Add Extra Contact Details
Only a phone number and name saved for a contact leaves out useful extras like birthday, nickname, or a website link. On Xiaomi phones, MIUI hides these optional fields behind the standard edit screen, so you never see them unless you go looking. Without filling them in, calls and messages only ever show the bare minimum information for that person.
Change Webpage Text Size in Mi Browser
If text on websites looks too small to read comfortably or too large and forces constant scrolling in Mi Browser, the webpage display size is set to the wrong level. Xiaomi phones offer five separate font sizes for browsing, independent from the system font size in your general settings. Switching to a different level fixes cramped or oversized text on every site you visit.
Turn On/Off Gesture Confirmation
Swiping back or closing an app by accident during a full-screen game or a video can throw you straight out of the action. On Xiaomi phones with full-screen gesture control, this usually happens because gesture confirmation is turned off, so a single swipe is enough to trigger the action. Turning it on forces you to swipe twice before the gesture actually executes.
Turn Emergency Alerts On or Off
If your Xiaomi phone keeps buzzing with Amber Alerts or severe weather warnings you never signed up for, the Emergency alerts feature is likely still active in the background. Some people want the opposite and need extreme threat notifications, vibration and voice alerts to actually get through. Either way, the switch sits in a security menu that is easy to overlook.
Set Up Switch Access
If tapping the touchscreen is difficult or impossible, everyday tasks like opening apps, scrolling, or typing on a Xiaomi phone can become a real barrier. Switch Access lets people with motor disabilities control the phone through one or more external switches instead of direct touch. These switches connect over USB or pair via Bluetooth and take over selection, scrolling, and text entry.
Set Up Screen Lock with Pattern, PIN or Password
If your Xiaomi phone still opens with a swipe, anyone who picks it up can read your messages, open apps or change settings. Without an active screen lock, accidental taps in your pocket can also trigger calls or purchases. Setting up a Pattern, PIN or Password closes that gap and keeps the phone usable only for you.
Add a Time Stamp to Photos
Photos taken with your Xiaomi phone often show no date or time, making it hard to prove exactly when a picture was captured. This is controlled by the Watermark option inside the Camera app, which stays off by default on most MIUI devices. Without it enabled, every shot leaves the gallery without any timestamp overlay.
Change Keyboard Theme (Language & Input)
If the Gboard keyboard on your Xiaomi phone still shows the default gray background, the theme setting has never been switched. This only changes the visual layout - colors, gradients or picture backgrounds - and has no effect on autocorrect or typing speed. The key borders can also be turned on or off separately from the overall theme.
Set Swipe-from-Edge Action in Mi Browser
Swiping in from the left or right edge of the screen in Mi Browser normally sends you back or forward a page, and that can get in the way if you actually meant to switch tabs. Xiaomi lets you reassign this edge gesture in Mi Browser or turn it off completely if it keeps triggering by accident.
Set Data Usage Warning Level
If you have already capped your monthly data plan on a Xiaomi phone, you might still get surprised when the limit hits without any heads-up. The warning level tells MIUI at what percentage of your data plan it should alert you before you run out.
Delete an Alarm
If your Xiaomi phone keeps ringing at a time you no longer need, an old alarm is probably still sitting in the Clock app. Alarms pile up quickly once you set them for one-off events like flights or workouts, and they rarely get removed afterward. A cluttered alarm list also makes it harder to spot the one alarm you actually rely on every morning.
Turn Wi-Fi On or Off
If your Xiaomi phone won't connect to your home or public network, Wi-Fi might simply be switched off in the background. Leaving Wi-Fi active around the clock also drains the battery faster, especially when no network is in range. Many users struggle to find the toggle after a system update moved it inside a different menu.
Turn Notification Badges On or Off Per App
A red dot keeps sitting above an app icon even after you have opened every message inside it. On Xiaomi phones this badge is a separate switch from the notification itself, so muting an app does not always remove the counter. If the dot never clears, or shows up for an app you barely use, the badge toggle for that specific app is still turned on.
Change Notification Sound
When every app on your Xiaomi phone plays the same generic chime, spotting an important message in a stack of notifications gets tricky. MIUI lets you pick a different tone per notification type, and if you run two SIM cards you can even split the sound by line. The tricky part is finding where this setting actually lives, since it is buried a few taps below the general Sound menu.
Turn On/Off Wi-Fi Calling
Weak signal at home, underground, or in a concrete building often causes dropped calls on a Xiaomi phone, even when Wi-Fi shows full bars. Wi-Fi calling routes voice calls through your wireless network instead of the mobile network, but only works if your carrier actually supports it. If the toggle is missing from your SIM settings, an unsupported plan or outdated carrier profile is usually the reason.
Remove a Home Screen Widget
A widget that once seemed useful can quickly become clutter on your Xiaomi home screen. Outdated info panels, oversized widgets, or ones that constantly refresh data in the background all eat into space and battery life. If a widget no longer earns its spot, getting rid of it is worth doing before it wastes more resources.
Turn Do Not Disturb On or Off
When Do Not Disturb is active on your Xiaomi phone, calls get an instant busy signal and every notification stays silent, even for messages you actually want to hear. Many people leave it on by accident after enabling it for a meeting or at night, since MIUI does not always show a clear reminder that it is still running. Checking the current status and switching it off takes just a few taps in Sound & vibration settings.