6. Check that the Preferred network type is set to Global. ( Settings > Network & internet
> Mobile network > Preferred network type.) If you're experiencing service issues when
it is set to Global, try a different setting.
7. Manually set the network operator:
1. Go to Settings > Network & internet > Mobile network.
2. Touch Network operators > Search networks.
3. Wait 30 seconds for the search results.
4. Choose your network operator (carrier).
5. Wait 30 seconds for the network to refresh the signal.
8. Remove your SIM card and reinsert.
9. Use safe mode to see if apps that you have installed are causing the issue and uninstall as
needed.
10.
Reset the phone.
Have signal, but can’t make calls
1. Turn your phone off and then on again.
Press and hold the Power button, then touch Power off. Then turn it on to establish a new
connection with the network.
2. Clear the cache for the Phone app.
3. Use Safe mode to see if apps you installed are causing the issue and uninstall as needed.
4. Check if a software update is available for your phone.
5. Reset the phone.
Phone doesn't ring or ring loud enough
1. Check your volume setting.
2.
Look for in your status bar. If you see it:
•
Open quick settings and touch to turn Do not disturb off. Your phone will ring for
incoming calls.
• Make sure your phone is set to screen calls at the appropriate times.
3. Check that your ringtone is not set to None.
4. Is your phone connected with a Bluetooth device? If so, all audio is routed to the Bluetooth
device.
Fix a problem : Call and SIM issues
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