How to fix “No SIM Card Detected” on Samsung Galaxy devices
If your Samsung Galaxy shows “No SIM Card detected” even with a SIM inserted, it’s usually caused by a loose card, dirt, or network settings. Restarting, reinserting the SIM, or resetting network settings typically fixes it.
Restart your Samsung Galaxy device
Method 1:
Restart your device
Press and hold Volume down + Power for 7 seconds, then tap Restart
Method 2:
Open restart from Quick panel
Swipe down with two fingers, tap Power icon, then tap Restart
Inspect and reinsert the SIM card
Step 1. Turn off your device using Volume down + Power, then tap Power off
Step 2. Remove the SIM card and check for damage or dirt
Step 3. Clean the SIM card and tray with a soft, dry cloth
Step 4. Reinsert the SIM card properly into the tray
Step 5. Turn on your device and check if the issue is resolved
Reset mobile network settings
Step 1. Open Settings > General management
Step 2. Tap Reset
Step 3. Tap Reset mobile network settings
Step 4. Tap Reset settings
Step 5. Confirm by tapping Reset
Notes:
- Resetting network settings will remove saved Wi-Fi and mobile configurations
- Handle the SIM tray carefully to avoid damage
- This issue often occurs when the SIM is loose, dirty, or after a software update
This information applies to Samsung customers in all supported regions.
Test your SIM card
Step 1. Insert your SIM card into another phone
Step 2. Check if the SIM is detected
Step 3. Contact your carrier if the SIM is not working
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