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Fix a problem : Call and SIM issues
Problems making/receiving 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 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
•
If your phone allows dual SIMs, disable the SIM, then enable it again. Go to
internet > SIM cards. Turn the SIM off
3.
If your phone has dual SIMs, turn your phone off, then
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
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
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.
7.
Remove
your SIM card and reinsert.
8.
Use
safe mode
to see if apps you installed are causing the issue and uninstall as needed.
9.
Reset
the phone.
status bar
or a message that the SIM is not recognized:
but the
is on, turn it off.
is available for your phone.
add a shortcut
. Then turn it on
remove
status bar
shows
(Settings
for the Phone app.
remove
and reinsert the SIM.
Settings
.
the SIM that is not recognized and try it
in your current location, move to another
> Network & internet > Mobile
198
> Network &
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