What to do if you have a poor signal and cannot make calls on your Samsung Galaxy device

Last Update date : Aug 21. 2024

Poor signal can limit your ability to make and receive calls and connect to the internet. Try these common solutions for weak or nonexistent phone signals.

Galaxy device’s screen showing a low signal, the call icon, and the internet icon.

External solutions

Check your carrier settings

  • Make sure your account is active.
  • Ensure you haven't reached any usage limits.
  • Contact your service provider to inquire about potential outages.
  • Verify that you are within your service provider’s coverage area.
    * This can vary by service provider.

 

Change your location

  • If you are outdoors:
    • Move away from tall buildings
    • Relocate to higher ground
    • Avoid parking garages

     

  • If you are indoors:
    • Move near a window
    • Go outside.

 

Remove accessories
Third-party accessories and cases can interfere with the antenna, especially if it claims to boost signal. Also, remove anything that may be plugged into the USB port.

 

Reboot your device
Turning your device off and back on will close all running apps and force the phone to reconnect to the cellular towers.

Check your device’s settings

Quick settings panel. Quick settings panel.

Step 1. Open the Quick settings panel.
Make sure the following are set properly:
* Airplane mode should be disabled
* Mobile Data should be enabled

Connections home screen. Connections home screen.

Step 2. Open Settings > Select Connections > Select Mobile networks.

Network operators screen. Network operators screen.

Step 3. Tap Network operators > Tap Select automatically.
* This option may not be supported depending on a carrier.

Reset your SIM Card

Connections home screen. Connections home screen.

Step 1. Open Settings > Tap Connections > Select SIM manager.

SIM manager screen. SIM manager screen.

Step 2. Tap the switch next to SIM 1 > Tap Turn off.

Popup window requesting to turn on SIM 1. Popup window requesting to turn on SIM 1.

Step 3. Tap the switch again > Tap Turn on.

Check the physical SIM card

Verify that the SIM card is correctly installed and not damaged. If possible, test with another active SIM card. Your service provider may be able to assist with this if you do not have another SIM.

Reset the network settings

General management home screen. General management home screen.

Step 1. Open Settings > Select General management > Tap Reset.

Reset settings screen. Reset settings screen.

Step 2. Select Reset mobile network settings.

Note: Images used are simulated for illustrative purposes and the actual UI may vary by OS version, service provider, device model, region, etc.

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