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Fix issues : Call and SIM issues
Can't make calls
After each troubleshooting step, check to see if your issue is fixed.
icon is missing
If
disappeared from your home screen, you just need to
SIM card not recognized
If you see
or
in the
1.
Turn your phone off and then on again.
Press & hold the Power button, then touch Power off. Then turn it on to establish a new connection
with the network.
2.
Turn off your phone, then
3.
Contact your carrier to make sure your account is set up properly.
4.
Ask your carrier to replace the SIM card.
5.
Perform an external phone reset.
No signal
1.
If you usually have a signal
area where you can receive a signal, like outdoors. If you're uncertain whether your carrier provides
service in that location, check the coverage map on your carrier's website.
2.
If
airplane mode
3.
Turn your phone off and then on again.
4.
Check for app updates.
5.
Check if a software update is available
6.
Check that the Preferred network type is set to Global.
network > Advanced > Preferred network type.) If you're experiencing service issues when it is set on
Global, try a different setting. Not all carriers support this feature.
7.
Remove your SIM card
8.
Use safe mode
to see if apps you installed are causing the issue and uninstall as needed.
9.
Reset the phone.
Have signal, but can't make calls
1.
Turn your phone off and then on again.
Press & 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.
status bar
or a message that the SIM is not recognized:
remove
and reinsert the SIM.
but the
is on, turn it off.
and reinsert.
add a shortcut
status bar
shows
for your phone.
(Settings
for the Phone app.
in your current location, move to another
> Network & internet > Mobile
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