How to Turn Off Cellular on iPhone but Keep Wi-Fi: 5 Methods for iOS 15-17

You want to save battery power, avoid unnecessary calls, or simply don’t need mobile Internet, but still want to stay connected via Wi-Fi? On iPhone This can be done in several ways, from temporarily disabling data transfer to completely blocking cellular communications while still allowing messaging apps to work over Wi-Fi. In this article, we'll cover all the current methods for iOS 15–17, including hidden settings and nuances for different models - from iPhone SE (2022) to iPhone 15 Pro Max.

It is important to understand that a simple shutdown mobile data in the control panel doesn't always solve the problem: the network for calls and SMS will remain active, but background processes may continue to consume power. We'll show you how completely deactivate the cellular module, without affecting Wi-Fi And Bluetooth, and we will also explain why some methods do not work on all operators (for example, MTS or Tele2 may block manual network control).

1. Quickly disable mobile data (no calls or SMS)

The easiest way is to deactivate mobile data while still allowing calls and text messages. This method is suitable if you only need Wi-Fi for messengers (WhatsApp, Telegram) and browser, but you don't want to waste traffic on background updates.

How to do it:

  • 📱 Open Control center (swipe down from the top right corner on iPhone X and newer or up from the bottom edge on older models).
  • 🌐 Press and hold the tile Airplane mode/Cellular (depending on iOS version).
  • 🔄 In the menu that appears, tap the icon Mobile data (it will turn grey).

⚠️ Attention: This method does not turn off voice communication — you'll still be available for calls. If you need to completely disconnect from the cellular network, read the next section.

📊 Why do you turn off cellular service on your iPhone?
To save battery power
To avoid being distracted by calls
To avoid wasting mobile traffic
For other reasons

2. Completely disable cellular communications (including calls and SMS)

If you need completely deactivate the cellular module, but leave Wi-Fi And Bluetooth, use one of these methods. They're suitable for situations like roaming and want to avoid unexpected charges, or when your battery drains too quickly due to a weak network signal.

Methods for complete shutdown:

Method 1: Wi-Fi Only Mode via Settings

  • ⚙️ Go to Settings → Cellular.
  • 🔄 Turn off the switch Cellular communications (top toggle switch).
  • 📶 Make sure that Wi-Fi included in Settings → Wi-Fi.

Method 2: Airplane mode with manual Wi-Fi activation

  • ✈️ Activate Airplane mode V Control center or in Settings → Airplane Mode.
  • 🔄 Return to Control center and turn it on manually Wi-Fi (click on the icon).

⚠️ Attention: On some operators (for example, Beeline) upon activation Flight mode the connection to may be reset Wi-Fi CallingIf you value Wi-Fi calling, check your settings after disabling it.

☑️ Checking after disconnecting cellular service

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3. Disabling cellular communications for individual SIM cards (for dual-SIM)

If you have iPhone with dual SIM support (eg iPhone 13/14/15 Pro or models for China), you can disable cellular communication selectively - for example, leave active only eSIM for calls, and deactivate the physical SIM card.

Instructions:

  1. Open Settings → Cellular.
  2. Tap on the SIM number you want to disable (for example, Line 2).
  3. Turn off the switches:
    • 📞 Voice communication
    • 🌐 Mobile data
  • For the second SIM, repeat the steps or leave it active.
  • ⚠️ Attention: On iPhone With iOS 16+ When disabling voice calls on one SIM card, all outgoing calls will go through the second line. Make sure there are sufficient funds on the second line if you are using a paid plan.

    4. How to turn off cellular communication using Siri (voice)

    If you need to quickly deactivate a network without opening settings, you can use your voice assistant SiriThis method is convenient when you are driving or busy with other things.

    Siri Commands:

    • 🗣️ "Turn off mobile data" - will only turn off the internet, calls will remain.
    • 🗣️ "Turn on airplane mode" — will turn everything off, but then you'll have to turn it on manually. Wi-Fi.
    • 🗣️ "Turn off your cell phone" — complete deactivation of the module (works on iOS 17+).

    💡 Helpful tip: To make sure Siri understands commands even when the screen is locked, check the settings in Settings → Siri & Search → Allow "Hey Siri" And Unlock on pronunciation.

    5. Automatically turn off cellular communications according to a schedule

    You can customize iPhone so that it automatically turns off cellular service at certain times—for example, at night or while working. To do this, use the Short-term access (Screen Time) or automation applications like Shortcuts.

    Method 1: Via "Short-term access"

    • ⏰ Go to Settings → Screen Time → Short-Term Access.
    • 🔄 Click Add a constraint and select Cellular communications.
    • ⏱️ Set a schedule (for example, from 11:00 PM to 7:00 AM).

    Method 2: Through the Shortcuts app

    If you need more flexible control, create automation:

    1. Open the app Shortcuts (if you don't have it, download it from App Store).
    2. Go to the tab Automation and click "+".
    3. Select a trigger (eg. Time or Connecting to Wi-Fi).
    4. Add an action Install cellular communication and select Off.

    ⚠️ Attention: Automation in Shortcuts require confirmation upon first launch. If iPhone locked, automation will not work without unlocking.

    6. What to do if Wi-Fi doesn't work after disconnecting

    Sometimes when you deactivate your cellular connection Wi-Fi also stops working or connecting to networks. This may be due to operator settings or errors. iOS or conflict with Wi-Fi Calling.

    How to fix:

    Problem Solution
    Wi-Fi won't connect after disconnecting cellular data Reboot iPhone or reset network settings in Settings → General → Transfer or reset → Reset network settings.
    Calls are not going through Wi-Fi Calling Check if the feature is enabled in Settings → Cellular → Wi-Fi Calling (for your operator).
    The Internet only works via mobile data. Make sure that in Settings → Cellular → Data Options disabled Data mode (if it was turned on).
    Fast battery drain after power outage Check background activity of apps in Settings → General → Content Update.

    💡 Helpful tip: If the problem persists, try deleting and re-adding the network. Wi-Fi in the settings. To do this, tap on the network name → Delete this network, then connect again.

    Why might operators block manual network shutdown?

    Some operators (for example, virtual ones like Yota or Tinkoff Mobile) limit the ability to manually disable cellular service. This is due to tariff plans where voice and SMS are included in the package. In such cases, the only option is to use Airplane mode with manual Wi-Fi activation.

    7. Comparison of methods: which method to choose

    To make it easier for you to navigate, we've compiled a comparison table of all the methods for disabling cellular service, including their pros and cons.

    Method What turns it off Pros Cons
    Disabling mobile data in Control Center Mobile internet only Fast, no reboot required Calls and SMS remain active
    Disabling cellular communications in Settings Calls, SMS and mobile internet Complete deactivation of the module Requires multiple taps
    Airplane mode + manual Wi-Fi activation All cellular communications (including GPS) Maximum battery saving Wi-Fi Calling settings may be lost.
    Disabling via Siri Depends on the team Convenient when your hands are busy It doesn't always work the first time.
    Automation via Shortcuts Customizable Works on schedule Requires initial setup

    🔑 Key takeaway: If you need turn off cellular communications completely with maximum battery saving, use Airplane mode with manual switching on Wi-FiIf you only need to disable mobile internet, the control panel will suffice.

    FAQ: Frequently asked questions about turning off cellular data on iPhone

    Is it possible to turn off cellular data for specific apps only?

    No, iOS It doesn't allow you to disable cellular data selectively for apps. You can only limit background activity in Settings → General → Content Update, but this does not block network access completely. For complete control, use VPN with traffic filtering or specialized applications (for example, Firewall Network from App Store).

    Why does geolocation stop working after disconnecting from cellular service?

    If you use Airplane mode, not only cellular communication is disconnected, but also GPS (if it depends on network data). For geolocation to work, turn it on Wi-FiiPhone will determine your location based on nearby access points. Also, check your privacy settings in Settings → Privacy → Location Services.

    Will iMessage work after I turn off my cellular service?

    Yes, iMessage will work through Wi-Fi, but only if you have an active account Apple ID and the internet connection is enabled. Messages will be sent as iMessage (blue bubbles), not like SMS (green). If Wi-Fi will be disconnected, sending messages will stop until the connection is restored.

    Is it possible to turn off cellular service on an iPhone without a SIM card?

    If in iPhone If there is no SIM card (or it is inactive), the cellular module is automatically disabled. However, some functions (for example, Wi-Fi Calling or SOS) may require a SIM card for activation. On models with eSIM (For example, iPhone 14) check that the operator profile has been deleted in Settings → Cellular → Cellular Plans.

    Does turning off cellular data affect Apple Watch performance?

    If yours Apple Watch connected to the same Apple ID and are within the coverage area Wi-Fi, they will be synchronized with iPhone even without cellular service. However, functions that depend on a mobile network (for example, calls or SMS on a watch with cellular-model), will not work. For full-fledged work without iPhone I need an active tariff on my watch.