If iPhone calls suddenly end, the cause could be a setting, outdated software, or a problem with your carrier’s network. Work through the reversible checks below, testing a call after each one. If the problem persists—or your iPhone shows No Service or Searching—ask your carrier to check your account and local network.
First, check whether it’s a cellular call or FaceTime
These are different services with different possible causes. If a call in the Phone app disconnects, follow the cellular-call steps below. If a FaceTime audio or video call ends, a slow cellular or Wi-Fi connection may be responsible; Apple recommends using a fast connection for FaceTime. See Apple’s FaceTime troubleshooting guidance.
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Look for a pattern before changing settings
Note where calls keep dropping and whether it happens while you are moving or in one particular place. Check whether the cellular service indicator changes when the call ends. If possible, try a call from another location. A location-specific pattern is useful to report to your carrier, but it does not by itself prove that poor coverage is the cause.
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Try reversible checks, one at a time
Apple says calls may fail because of settings, outdated software, or network problems. Try each step below, then place a test call before moving to the next one. Menu names and paths can vary by iOS version.
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- Toggle Airplane Mode. Open Control Center, turn Airplane Mode on, wait a few seconds, then turn it off. Allow the iPhone to reconnect to the cellular network before testing.
- Review calling and Focus settings. Check relevant Phone settings and any Focus mode that could affect calls. Apple’s call troubleshooting steps cover settings that can interfere with calling.
- Check for a carrier-settings update. Connect to Wi-Fi, open Settings > General > About, and wait briefly. If an update prompt appears, follow it and test a call afterward.
- Update iOS if an update is available. Connect to Wi-Fi and power, then go to Settings > General > Software Update and follow the on-screen instructions.
Try Wi-Fi Calling if cellular signal is weak
Wi-Fi Calling can route calls over Wi-Fi when cellular signal is low, but it depends on support from your carrier and country or region, as well as a working Wi-Fi connection. Check with your carrier that the feature is available for your service. On supported networks, calls may switch between Wi-Fi and the carrier’s cellular network using VoLTE when it is available and enabled. Availability and behavior vary, so enabling Wi-Fi Calling is not a guaranteed fix. See the iPhone User Guide to Wi-Fi Calling.
Ask your carrier to check for network or account problems
If calls still disconnect, contact your carrier and ask it to verify that your account is set up for your iPhone, there is no local outage or billing-related block, and its system is not recording a call or network error. Share where the problem occurs, when it started, and whether the service indicator changes. Apple directs users to their carrier for these account and network checks.
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If you see No Service or Searching
No Service or Searching means the iPhone is not connected to a cellular network. Try toggling Airplane Mode, check for a carrier-settings update, and then contact your carrier if service does not return. Ask about account status, coverage, outages, and service restrictions. Apple’s guidance for SOS, No Service, or Searching explains the indicator and recovery checks.
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Reset Network Settings only after the simpler checks
Resetting Network Settings is a later step, not a harmless first try. It erases saved Wi-Fi passwords, preferred networks, and VPN and APN settings, so you may need to set those up again. Apple’s cited instructions do not say that this reset erases personal photos or messages. If you choose to proceed, use the reset option under Settings > General > Transfer or Reset iPhone > Reset > Reset Network Settings; menu wording can vary by iOS version. Test a call after the iPhone reconnects.
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If the steps above do not resolve dropped calls, or the iPhone continues to show No Service or Searching, the carrier needs to check service and network records. Give it the locations and times you noted, along with any service-indicator changes. Apple’s full iPhone call troubleshooting guide covers the settings, updates, carrier checks, and network reset options.
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