Problems making/receiving calls
After each troubleshooting step, check to see if your issue is fixed.
icon is missing
If has disappeared from your home screen, you just need to add a shortcut for the Phone
app.
SIM card not recognised
If you see or in the status bar or a message that the SIM is not recognised:
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. Do one of the following:
• If your phone allows one SIM card, turn your phone off, then remove and reinsert the
SIM.
• If your phone allows dual SIMs, disable the SIM, then enable it again. Go to Settings
> Network & internet > SIM cards. Turn the SIM off . Then turn it on .
3. If your phone has dual SIMs, turn your phone off, then remove the SIM that is not
recognised and try it in the other SIM slot.
4. Contact your carrier to make sure your account is set up properly.
5. Ask your carrier to replace the SIM card.
6. Perform an external phone reset.
No signal
1.
If you usually have a signal but the status bar shows in your current location, move
to another area where you can receive a signal, such as outside. If you're uncertain
whether your carrier provides service in that location, check the coverage map on your
carrier's website.
2. If aeroplane mode is on, turn it off.
3. Turn your phone off and then on again.
4. Check for app updates.
5. Check if a software update is available for your phone.
Fix a problem : Call and SIM issues
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