Add Contacts to a Group
Groups on your Xiaomi phone stay empty until you actually assign contacts to them. You can add people either from a single contact's profile or from inside the group itself, and mixing up the two methods is where most confusion starts. Knowing which screen controls group membership saves you from re-adding the same contact twice.
Block a Number from Call History
Spam calls from fake lottery winnings or gambling subscriptions keep showing up in your call log even after you hang up. On Xiaomi phones, blocking a caller straight from that log is often faster than adding them manually through Contacts. Here's what triggers the block option and where it actually lives in the Phone app.
Change the Default Keyboard
Installed a new keyboard app on your Xiaomi phone but typing still opens Gboard? MIUI keeps the previous keyboard active until you manually switch the default under Languages & input. Without that step, the new keyboard stays listed but never takes over text fields.
Factory Reset via Settings
When your Xiaomi phone gets stuck in a lag loop, refuses to accept a new owner, or you just want to wipe it before selling it, a full factory reset is often the only clean fix. The Erase all data function removes every account, app, and system setting from internal storage without a way to undo it. Before you start, it helps to know exactly what gets deleted and what stays untouched.
Add a Contact Shortcut to the Home Screen
Calling the same person every day shouldn't require opening the Phone app, searching your contacts and tapping through to their number each time. On MIUI you can pin a direct contact shortcut to your home screen so a call or message starts in just two taps. This helps most with family, coworkers or anyone else you dial constantly.
Turn Anti Banding On or Off
If photos or videos of screens, TVs or fluorescent lights show dark stripes or a flickering pattern, the camera sensor is reacting to the local power frequency. Xiaomi phones include an Anti banding option that compensates for this, but the wrong setting can make the flicker worse instead of better.
Share Wi-Fi Password via QR Code
Typing out a long Wi-Fi password for every visitor gets tedious, especially with random letter-number combos. Xiaomi phones can turn your current network credentials into a scannable QR code instead. Anyone with a camera can then join the network without you dictating a single character.
Add a Printer via IP Address or Wi-Fi Direct
If your printer does not show up automatically even though your phone and printer share the same Wi-Fi network, MIUI still lets you add it manually. This usually happens with older printers, devices on a different subnet, or printers that only support Wi-Fi Direct instead of standard network discovery. In that case you need to enter the printer's IP address yourself or switch on Wi-Fi Direct printing directly from the printing menu.
Create or Remove Dual Apps
Running two WhatsApp or Facebook accounts on one phone usually fails because those apps only allow a single login at a time. Dual apps gets around that by cloning the app into a second icon with its own data and notifications, fully separate from the original. Without setting this up, you are stuck logging out and back in every time you want to switch accounts.
Send an SMS Text Message
On a Xiaomi phone there is no separate SMS app or SMS folder, so every text lands in the same Messages inbox as MMS content. Attach a photo or video to a text and MIUI silently switches the format to MMS without asking you first. That makes it hard to tell which messages actually went out as plain SMS and which ones used mobile data as MMS.
Switch Between Front and Rear Camera
Selfies on a Xiaomi phone often need extra light, and the display flashes white to fake a camera flash for the front lens. If you are not sure where the switch control sits or why the screen behaves this way, jumping between front and rear camera during a quick shot or video call gets slower than it should. This affects both the Camera app and any third-party app that uses the same camera controls.
Turn Off TalkBack on Xiaomi
If your Xiaomi phone reads out everything you tap and single taps only select items instead of opening them, TalkBack is active. This screen reader changes how touch works across the whole system, which makes normal navigation confusing if you never meant to turn it on.
Delete Learned Words and Data
If the built-in Xiaomi keyboard keeps suggesting outdated or wrong words, the learned word database is usually the cause. This data builds up over time from everything you type and can make autocorrect feel stuck on old habits. Clearing it resets suggestions without touching your other settings.
Turn Off Wi-Fi Hotspot Automatically
Leaving the personal hotspot active after every connected device disconnects quietly drains battery on Xiaomi phones. MIUI includes a setting that shuts the hotspot down on its own once nothing is using it, but most owners never notice it exists.
Hide Notifications for Hidden Apps
If a hidden app on your Xiaomi phone still shows message previews on the lock screen or in the notification shade, anyone glancing at your phone can read what is inside. This happens because App lock only hides the app icon by default, not its incoming notifications. You can decide separately whether alerts from locked apps stay invisible until you open and unlock them.
Answer an Incoming Call on the Lock Screen
If tapping the green phone icon does not pick up the call on your Xiaomi phone, you are likely missing the swipe gesture MIUI expects. The lock screen call button reacts to a drag motion, not a simple tap, so a short or sideways swipe leaves the phone ringing until it drops to voicemail. This mainly trips up people switching from a brand that uses tap-to-answer instead of swipe-to-answer.
Unmount SD Card Safely
Pulling the SD card out of your Xiaomi phone while it is still mounted can corrupt photos, app data, or the file system on the card. MIUI keeps read and write connections open in the background even when the screen looks idle. Ejecting the card properly closes those connections before you remove it.
Create a Local Backup
Switching to a new Xiaomi phone or resetting the current one often means losing app data, home screen layout and system settings if no backup exists beforehand. Cloud backup depends on a stable connection and free Xiaomi account storage, which is not always available. A local backup avoids both issues by saving everything directly to the device storage instead.
Save Previous Camera Mode
If your Xiaomi camera always opens in Photo mode even though you shot a video or used Portrait last time, the app is not storing your last selection. This happens when the option that remembers your last shooting mode is switched off, forcing every launch back to the default. Toggling it changes how the camera behaves on the next launch, not just during the current session.
Block Offensive Words in Keyboard Suggestions
If the keyboard on your Xiaomi phone keeps suggesting swear words or curses while typing, autocorrect is picking them up as valid entries. A dedicated filter in the keyboard settings controls whether these words show up in suggestions at all. Turning it on or off changes what the prediction bar offers, not what you can actually type.
Remove a Linked Account
If chats, photos or documents suddenly disappear after cleaning up accounts on your Xiaomi phone, the sync connection for that account was likely removed rather than just logged out. Google, WhatsApp, Facebook and similar accounts all sit under the same accounts module, and removing one can wipe locally cached data tied to it. Knowing which account type you are touching matters before you tap confirm.
Data Usage Warning on Lock Screen
If you blow through your mobile data plan before the billing cycle ends, you probably only find out when the carrier sends a throttling notice. Xiaomi phones can flag this earlier, but the lock screen warning for data usage is off by default on most devices. Without it enabled, you only see usage numbers if you open the Security app yourself.
Turn On/Off Always-on Display
If your Xiaomi screen stays completely black in standby, you might be missing the time, battery level, or notifications at a glance. This depends on the Always-on display feature, which only works on Xiaomi models with an OLED panel, not on LCD screens.
Clear App Cache
If an app on your Xiaomi phone keeps crashing, freezing, or throwing error messages, leftover cache files are often the reason. Over time these temporary files pile up and can overlap or corrupt each other, causing an app to behave oddly even though nothing else changed. Clearing the cache removes that clutter without touching your saved data or settings.