How to completely disable mobile Internet on Xiaomi Redmi 9: all ways

Mobile Internet on Xiaomi Redmi 9 can be a source of unexpected expenses or simply interfere when you want to use only Wi-Fi. For example, when connecting to a home network, the smartphone continues to β€œeat” traffic through the Internet. SIM-The map, and the background apps are quietly updated to bypass your preferences, or you've been abroad, where roaming is like golden sand, and you need to urgently interrupt the connection so you don't get a bill for thousands.

In this article, we will discuss all possible ways to turn off the mobile Internet on Redmi. 9 (including Redmi models 9A/9C/9T), sensitizing MIUI 12, 13 and 14. Some methods work temporarily (for example, through the notification bar), others – forever (through settings). SIM-We will also discuss how to block the Internet for individual applications and what to do if the button turns off gray.

If you're looking for a way to save traffic or battery, avoid roaming, or just want to control connections, here's a solution. All instructions are tested on current versions of the software and do not require root rights.

1. Quick shutdown via notification panel

The easiest way is to use a notification curtain, which is suitable if you need to temporarily interrupt the connection (for example, when talking on the phone or to save charge).

Swipe down from the top of the screen to open the notification bar. If you have a MIUI 13/14, you may need to swipe twice β€” first for quick switches, then for the full menu. Find the Mobile Data icon** (usually indicated by up-and-down arrows or an antenna) and tap it. The icon should go out β€” which means that the data transfer has stopped.

    This method doesn't shut down the internet forever -- after you reboot your phone or manually turn on, the connection will reset. If you need to permanently shut down, read the next section.

    πŸ“Š How often do you turn off mobile internet on your smartphone?
    Every day.
    Several times a week
    Only abroad.
    Never turn it off.

    2. Complete shutdown in settings SIM-map

    To permanently ban the transfer of mobile data (before manually enabled), go to the basic settings of the phone. This method is suitable if you want, for example, to use your smartphone only over Wi-Fi or completely block the Internet for one of the main settings of the phone. SIM-cards (on Redmi 9 with two slots).

    Instructions:

    1. Open the Settings app (cog icon).
    2. Go to section. SIM-Maps and mobile networks (or mobile networks) MIUI 14).
    3. Choose the right one. SIM-card (if two of them).
    4. Transfer the mobile data slider to the off position.
    5. Confirm the action if a warning appears.

    After that, the mobile internet will be turned off until you manually turn it back on, a method that is independent of reboots and works even after you upgrade.

    Open the browser and try to load the page (no network notification should appear)

    Make sure there is no 4G/LTE/E icon in the status bar

    Launching an application that requires the Internet (e.g. YouTube) should give you an error

    Reboot your phone and check that the settings are maintained-->

    3. Disconnection for individual applications

    Sometimes you don't want to block the Internet completely, but only for specific programs, like TikTok, which eats traffic in the background, or for games that are updated without demand. MIUI has a built-in tool for this, Background Limitation.

    How to set up:

    1. Go to Settings β†’ Applications β†’ Application Management.
    2. Select the desired app from the list (or find it through search).
    3. Tap on Mobile Data (or Transfer data in new versions).
    4. Turn off Background data slider and/or Data Transfer (depending on the MIUI version).

    Now the app you select won't be able to use mobile internet in the background or in the foreground, except that if the app was already open before the shutdown, it may need to restart.

    ⚠️ Note: Some system applications (such as Google Play Services) may cause smartphone malfunctions when the Internet is blocked.

    AnnexWhat happens when the Internet is blocked?Recommendation
    Social networks (VK, Telegram)There will be no updates to chats and tape in the backgroundTurn it off if you want to save traffic.
    YouTube, TikTokVideos will not be downloaded without Wi-FiUseful to limit traffic consumption
    Maps (Google Maps, Yandex.Maps)Traffic data and routes will not be updatedIt is better to leave on or download the cards in advance.
    Messengers (WhatsApp, Viber)Messages won’t come without Wi-FiTurn off only if you are not waiting for important notifications

    4. In-plane mode and other system methods

    If you want to instantly turn off all wireless connections (including mobile Internet, Wi-Fi and Bluetooth), use In-plane mode. This is useful, for example, before flying or if the phone has started to β€œglue” due to network conflicts.

    How to turn on:

    • Swipe down to open the notification panel.
    • Find the Mode on the Plane icon** and tap it.
    • Confirm the action if necessary.

    To return only Wi-Fi (e.g., on an aircraft with permission to use it):

    1. Turn on the plane mode.
    2. Open Settings β†’ Wi-Fi and activate it manually.

    Mobile Internet is automatically disabled in the following cases:

    • πŸ”‹ When activating the energy saving mode (in some firmwares).
    • πŸ“΅ If SIM-card blocked PIN-code (until you enter the code, the Internet will not work).
    • 🌍 When you manually select a network, only 2G (in mobile network settings, if the operator does not support data transmission in this standard.

    πŸ’‘

    If after turning off the mode "On the plane" mobile Internet is not restored, restart the phone or manually enable data transfer in the SIM-card settings.

    5.What to do if the button turns off gray

    Sometimes Redmi 9 users have a problem: the mobile data button in the settings or curtain turns gray and does not press.

    Possible causes and solutions:

    • πŸ“± SIM-Card not recognized: check if the card is inserted correctly (turn off the phone, remove the tray, reinstall). SIM). If the card is damaged, replace it.
    • πŸ”’ P.IN-code not entered: after rebooting or retrieval SIM may require input PIN. Check the notifications in the curtain.
    • πŸ“‘ Operator problems: sometimes the network is temporarily unavailable (for example, during technical work). SIM or call the operator.
    • πŸ› οΈ Failure MIUI: If it doesn't work, reset your network settings to Settings. β†’ SIM-maps and mobile networks β†’ Resetting network settings.

    If the problem persists, check:

    1. Does it work? SIM-card.
    2. Are there any restrictions through apps like Digital Wellbeing or Parental Controls?
    3. Is not activated mode Only calls in the settings of the mobile network (sometimes found in firmware for corporate devices).

    ⚠️ Note: On some versions MIUI 12 Redmi 9 has encountered a bug where the mobile data shutdown is reset after connecting to Wi-Fi. If this is your case, upgrade to the latest version of the firmware or use the application-limited method (section 3).

    How do I check the MIUI version?
    Open Settings β†’ About Phone β†’ MIUI Version. Current versions for Redmi 9 for 2026 are MIUI 13.0.15+ or MIUI 14.0.4+. If you have an older version, upgrade via Settings β†’ System Update.

    6.Alternative methods: Disconnection via USSD and third-party applications

    If standard methods do not work (for example, due to a system failure), you can use the system. USSD-These are methods that require caution, but sometimes they're the only solution.

    USSD-team:

    • πŸ“ž Megaphone: dial *105# and select "ServicesΒ» β†’ Β«InternetΒ» β†’ Β«Shut downΒ».
    • πŸ“ž Beeline: *110*181# Call (to turn off the packet Internet).
    • πŸ“ž MTS: *111*082# and call.
    • πŸ“ž Television2: *155*1# β†’ Β«Management of servicesΒ» β†’ Β«InternetΒ».

    ⚠️ It's important: USSD-When you run the commands, they shut down the Internet at the operator level, not the phone level, and then the mobile data won't work even after you reboot, until you reconnect the service (perhaps for a fee).

    Third-party annexes:

    If you need flexible traffic management (such as a schedule internet shutdown), try:

    • πŸ”§ NetGuard (No Root Traffic Blocker).

    Check reviews before installing – some apps may conflict with MIUI or require additional permissions.

    πŸ’‘

    USSD-commands shut down the Internet globally (at the operator), not locally on the phone, use them only if you are sure that you will not need a mobile network anytime soon.

    FAQ: Frequent questions about disconnecting mobile Internet on Redmi 9

    Can you turn off the internet for just one person? SIM-cards if there are two?
    Yeah, go to the settings. β†’ SIM-Maps and mobile networks, select the desired SIM And turn off the slider Mobile data only for her. The second card will remain active.
    Why do some apps still use traffic after the mobile internet is turned off?
    They probably have Wi-Fi access, or they cached data before. Check: Is the phone connected to Wi-Fi (even if you didn't notice it). Is it on? VPN β€” some VPN-Connections bypass restrictions MIUI. Does the application use offline data (for example, pre-loaded cards).
    How to turn off the Internet on Redmi 9 for a child so that he can not turn it back on?
    Use Parental Controls: Install Google Family Link or Xiaomi Parental Controls (available in Settings) β†’ Create a profile of your child and limit access to mobile network settings; block new apps from being installed without your confirmation; and physically remove them. SIM-card if the phone is only used via Wi-Fi.
    Will battery life be saved if you turn off mobile internet?
    Yes, but not much. Mobile data only consumes power when it is actively transmitted (file downloading, streaming). If the Internet is simply on but not used, the consumption is minimal. For real savings, turn off Background data in application settings (section 3).
    Can I turn off the internet automatically at night?
    There is no such feature in standard MIUI settings, but there are workarounds: Use IFTTT or Tasker to automatically shut down on a schedule. Enable Do Not Disturb overnight - some firmware blocks background traffic in this mode. Install a third-party MacroDroid-type app to create time rules.