Have you ever looked at the top right corner of your Xiaomi screen and wondered what these mysterious icons meant? That little icon strip is not just a decoration, but a whole smartphone control center that shows real-time network status, battery power, active functions and even hidden system processes. To beginners, these icons can seem like Chinese letters, and experienced users sometimes miss important alerts without knowing their meaning.
In this article, we will not just list all possible icons in the status bar. MIUI, But also explain which ones may signal hidden problems (for example, why suddenly the icon appeared). NFC, You donβt use it, or what to do if you have an icon. 4G+ And we're going to focus on rare characters that only appear in specific situations, from developer mode to hardware failures, and then we're going to end with an interactive test of icons!
Why Xiaomiβs icons at the top of the screen are more important than you think
The status bar (also known as the status bar) MIUI β It's not just a time and charge indicator, it's the first level of diagnostics on a smartphone that can be used to detect the effects of a device:
- π Warn about battery problems (for example, a lightning icon in a circle means not just charging, but using an unoriginal cable).
- πΆ Show hidden connections (key icon in triangle) = VPN active even if you havenβt turned it on).
- βοΈ Signal about system failures (exclamation mark icon in gear) = Mi Account Synchronization Error).
- π Issuance of privacy leak (microphone or camera icon) = The app uses them in the background).
Most users ignore these signals until they encounter a dead battery in 2 hours or sudden traffic on roaming.Meanwhile, Settings β Screen. β The status bar allows you to customize the display of icons to your needs - but more about that later.
β οΈ Note: If you see a cross-eye icon (ποΈβ) In the status bar, it means that the Smart Eye Protection function is disabled, although it is active in the settings. MIUI 14+, This causes a heavy load on the eyes during the dark.
Basic icons: time, network and battery
So to start with the obvious, the icons that are always visible, even they have nuances that not everyone knows about.
π Time and date
Would it seem that this could be unusual? MIUI Time-reflection is flexible:
- β° Watch with seconds β included in Settings β Screen. β The clock β Useful for accurate time counting (e.g. when charging).
- π Dark/light background β automatically changes depending on the theme of the design, but you can fix in Settings β Display. β Color scheme.
- π Date under time β appears if you enable the option in Settings β Screen. β Status line β Showing the date.
πΆ Network indicators
And here's the interesting thing: network icons don't just show the signal strength, but the type of connection that directly affects the speed and the consumption of the battery.
| Icon | Meaning | Features |
|---|---|---|
| π‘ E | Edge (2G) | Minimum speed, maximum battery economy, switches on automatically when signal is weak. 3G/4G. |
| πΆ 3G | UMTS/HSPA | Average speed, high battery consumption. MIUI 13+ may be displayed as H+. |
| πΆ 4G or LTE | Standard connection | If the icon flashes, it's a data transfer. = No Internet (connection without access). |
| πΆ 4G+ or LTE+ | Carrier aggregation | It uses multiple frequencies at once to increase speed. If the icon doesn't appear often, check the settings. APN. |
| πΆ 5G | Fifth generation | Xiaomi can be seen as a 5G+ (In roaming, automatically switches to 4G. |
Little-known fact: if an up/down arrow appears next to the network icon (ββ), This means that data is being transmitted in the background, and most often, messengers or cloud services are to blame.
π Battery badges
The battery charge is not just a percentage, but the icon can tell you a lot.
- β‘ Lightning in a mug - fast charging (if it burns green - the original adapter, yellow - unoriginal).
- π Lightning without a mug is a normal exercise (5W). Appears when using a weak power supply unit.
- π Exclamation point battery β charging error (damaged cable, port or battery).
- βοΈ Snowflake in the battery - Ultra Battery Saver mode is activated (disables background processes).
β οΈ Warning: If the battery icon turns red when charged above 20%, this is a sign of battery degradation. MIUI This means that the capacity has dropped below 80 percent of the nominal capacity.
Hidden icons: what rare symbols in the status bar mean
Now, to those icons that come up occasionally and often raise questions, some of which signal hidden functions, others potential problems.
π‘ Wireless technology badges
These icons appear when the corresponding modules are active:
- πΆ Exclamation point Wi-Fi β Connecting to a network without internet (check router or DNS).
- π Two arrows in a circle β search for Wi-Fi networks or Bluetooth devices.
- π§ Headphones with waves β Mi Bluetooth Audio is active (special mode for wireless headphones Xiaomi).
- π‘ The wave antenna is on. FM-radio receiver (works only with wired headphones as an antenna).
π Security and confidentiality badges
These icons are often ignored, although they are critical for data protection:
- π Key lock - active VPN (Even if you havenβt turned it on, check the apps for leaks).
- π€ Microphone - the app uses a microphone in the background. MIUI 14+ You can see which one (pull the status bar down).
- π· Camera β the camera is used without your knowledge, it can be a legitimate application (like Google Lens) or malware.
- π‘οΈ Shield with a tick - enabled the function of App Lock (app locking).
If you see a microphone or camera icon but donβt use the appropriate features, check the app permissions in Settings immediately. β Confidentiality β Permits.
βοΈ Systemic icons: what they hide
These icons appear when specific functions are activated. MIUI:
- π§ Exclamation point gear is a Mi Account sync error, often occurring after resetting settings.
- π± Phone with arrow - there is a data transfer over Mi Share (analogue of AirDrop).
- π Globe with arrows β Dual Apps (Cloning of Apps).
- π¦ Box with an arrow - is the installation or update of the application through APK.
What if there is a sign of a cog with an exclamation point?
How to set up the display of icons in MIUI
Not all icons in the status bar are useful, MIUI It allows you to flexibly customize your display. Here's how to do it:
- Open the Settings β Screen β Status Line.
- Turn on or off the following options: πΉ Show battery percentage (inside or near icons). πΉ Show network speed (displays the current download/return rate in real time). πΉ Show the temperature of the processor (useful for gamers). πΉ Hide sensitive notifications (hide the contents of notifications on the lock screen).
Developer mode
Settings β The phone. β Version. MIUI
Settings β Additionally. β For developers β Debugging
In the developer mode, you can turn on the display:
- π Use of the CPU (processor loading schedule in real time).
- π‘ Signal level in dBm (exact data on communication quality).
- π Activity GPS (Shows which applications use geolocation).
Turn off unnecessary icons (such as temperature) CPU, if you don't play)
Include battery percentage for accurate control
Activate network speed display if you use mobile internet
Hide sensitive notifications on the lock screen
Check the app permissions if microphone/camera icons appear-->
β οΈ Note: If you have turned on the CPU temperature display and see values above 50Β°C in plain is a sign of overheating. Possible causes: Background processes are running (check in Settings) β Battery β Battery use. Battery failure (if the phone is warming up even at 10% charge) Dust in the charging connector (cleaning will help lower the temperature).
Rare cases: when badges signal problems
Some icons only appear in emergencies, and ignoring them can lead to serious consequences, from data loss to smartphone failure.
β οΈ Critical system alerts
These icons require immediate action:
- π₯ Battery with flames β overheating the battery. Xiaomi automatically turns off charging, but if the icon does not disappear β do not use the phone until it cools down.
- β The exclamation point in the triangle is a file system error, which may appear after incorrect extraction. SD-Solution: Restart your phone or check the drive through Settings β Memory. β Cleanup.
- π The cross-circle arrow is a system update failure, and it appears if you interrupt the installation. MIUI. Solution: Go to Settings β Update the system and click "Reboot".
- π΅ The crossed-out ring phone is Emergency Mode, which is activated when the battery is below 5% or critically malfunctioning, and only emergency calls are running in this mode.
π οΈ Hardware failures: when you need to service
Some icons point to physical malfunctions that cannot be fixed software:
- π X speaker: Upper or bottom speaker is faulty. Check Settings. β Sound. β Sound quality.
- πΆ Antenna with a cross - the communication module is damaged (may be after a drop or moisture hits).
- π Battery with a cross - battery not found, often appears after replacing the battery with a non-original one.
- π― The X sensor is not working part of the touchscreen. β The phone. β Diagnostics β Sensor test.
If you see any of these icons, don't delay a visit to the service center. For example, a faulty battery can swell and damage the motherboard, and problems with the communication module often worsen over time.
π‘
If there is a water icon on the phone (π§), This means that the moisture sensor in the charging connector has gone off. Do not connect the phone to the power until it is completely dry (at least 24 hours). Use wireless charging if it is supported.
How to Remove Unnecessary Icons from the Status Line
Some icons are created by active features that you don't use, and you can turn them off by freeing up space in the status bar.
π΄ Disabling system icons
To remove unnecessary icons:
- Go to Settings. β Notifications and status bar β Icon management.
- Turn off toggle next to unnecessary options: πΉ NFC (If you do not use contactless payments). πΉ Plane mode (if you donβt fly often). πΉ Wi-Fi hotspot (if you donβt give away the internet). πΉ Synchronization (if you do not use the Mi Cloud).
π« Hiding app icons
Some apps (such as instant messengers or banking services) add their icons to the status bar to remove them:
- Press your finger on the notification from the app.
- Choose Disable Notifications or Hide the icon.
- To completely disable, go to Settings β Annexes β Application management β [Title of the annex] β Notifications.
If the icon remains even after disabling notifications, it can be a system application (for example, Mi Security), in which case only disabling the function in the settings will help.
π‘
Not all icons can be removed without root rights, like the developer mode icon (π§) will disappear only after disabling this option in the settings.