How to fix the “No SIM Card Detected” error on Samsung Galaxy devices
If your Samsung Galaxy device shows “No SIM Card inserted” or “No SIM Card detected” even though a SIM card is installed, the issue could be caused by a loose SIM card, dirty tray, or network settings.
You can fix it by restarting your phone, checking the SIM card, or resetting mobile network settings.
This guide provides step-by-step instructions to resolve the “No SIM Card Detected” error on your Galaxy device.
Restart your Samsung Galaxy device
Method 1:
Press and hold Volume down + Power buttons for at least 7 seconds.
Tap Restart, then tap Restart again to confirm.
Method 2:
Swipe down from the top of the screen with two fingers to open the Quick panel.
Tap the Power off icon > Tap Restart > Tap Restart again to confirm.
Restarting may resolve temporary SIM detection issues.
Inspect and reinsert the SIM card
- Turn off your device by pressing Volume down + Power, then tap Power off.
- Remove the SIM card from the tray and check for scratches, stains, or damage.
- Clean the SIM card and tray with a soft, dry cloth.
- Reinsert the SIM card, making sure it aligns properly in the tray.
- Turn your device back on and check if the error is resolved.
Note: Handle the SIM card tray carefully to avoid damage or deformation.
Reset mobile network settings
Step 1. Open Settings > General management.
Step 2. Tap Reset.
Step 3. Tap Reset mobile network settings.
Step 4. Read the onscreen information > Tap Reset settings.
Step 5. Confirm by tapping Reset.
Notes:
- Resetting mobile network settings will erase all network configurations.
- You may need to reconnect to Wi-Fi or re-enter network settings after the reset.
Test your SIM card
- Insert your SIM card into another phone.
- If the SIM card is not detected, it may be damaged.
- Contact your mobile service provider to replace the SIM card if necessary.
This information applies to Samsung customers using Galaxy devices in all supported regions.
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