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, 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 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.
6. Remove your SIM card and reinsert.
7. Use safe mode to see if apps you installed are causing the issue and uninstall as needed.
8. Reset the phone.
Have signal, but can’t make calls
1. Turn your phone off and then on again.
Press & hold the Power + Volume up buttons simultaneously, then touch Restart 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.
Consistent busy signal
Outbound calls
1. If you hear a fast busy signal when you call a number, all cellular circuits may be in use, preventing the
call from going through. Try calling again later.
2. If you hear a fast busy signal every time you call the same number, your number may be blocked by an
app. Try calling from a different number.
Incoming calls
If you have a signal and can make calls, but callers tell you they consistently get a busy signal when calling
you, check that you haven’t blocked their numbers.
Can't answer or phone doesn't ring
After each troubleshooting step, check to see if your issue is fixed.
Phone doesn’t ring or ring loud enough
1. Check your volume setting.
Fix issues : Call and SIM issues
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