What to do when calls disconnect or there’s no network signal on your Galaxy device

Last Update date : Dec 16. 2021

If your calls disconnect abruptly or there’s no network signal on your Galaxy device, it may be due to a device setting or a carrier related issue. Follow the guide below to inspect your device’s condition.

Before you try the recommendations below, be sure to check if your device's software and related apps are updated to the latest version. To update your mobile device's software, follow these steps:

Step 1. Go to Settings > Software update.

Step 2. Tap on Download and install.

Step 3. Follow the on-screen instructions.

Check your device settings

Device settings may be hindering your ability to make or receive calls. Check if Airplane mode is enabled or if your device is blocking calls from unknown or private numbers.

Turn off Airplane mode

Step 1. Open Settings and tap Connections.

Step 2. If Airplane mode is on, turn it off and check if your connection stabilizes.

Check if your device is blocking any unknown or private numbers

checking device blocking unknown numbers 1

Step 1. Open the Phone app and Tap More (the three dots in the upper right corner.)

checking device blocking unknown numbers 2

Step 2. Tap Settings.

checking device blocking unknown numbers 3

Step 3. Tap Block numbers.

checking device blocking unknown numbers 4

Step 4. Turn off Block unknown/private numbers and check if you receive calls.

Reset network settings

You may need to reset your network settings if your calls disconnect, or your device keeps losing network signal.

Step 1. Open Settings and tap General management.

Step 2. Tap Reset.

Step 3. Tap Reset network settings.

Step 4. Check the information on the screen and tap Reset settings.

Step 5. Tap Reset.

Note:

Please note that resetting network settings will also reset Wi-Fi, Bluetooth, and other network settings.

Reconfigure APN settings

Incorrect APN (Access Point Name) settings may interrupt the network connection. Follow the steps below to reconfigure APN settings.

Step 1. Open Settings and tap Connections.

Step 2. Tap Mobile networks.

Step 3. Tap Access Point Names.

Step 4. Tap More (the three dots) in the upper right corner and tap Reset to default.

Step 5. Tap Reset to reconfigure APN settings.

Switch or manually select your network provider

The issue may occur when your device is connected to a carrier that you are not signed up for. Follow the steps below to choose your carrier.

Step 1. Open Settings and tap Connections.

Step 2. Tap Mobile networks.

Step 3. Tap Select roaming network.

Step 4. Turn off Select automatically and choose your carrier.

Note: Device screenshots and menus may vary depending on the device model and software version.

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