Can't answer ringing phone
1.
for the Phone app.
Touch & hold
, then touch
>
Storage
>
Clear storage
.
2. Check that Phone app notifications haven't been disabled.
Touch & hold
, then touch
>
Notifications
and make sure they are on
.
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
.
Problems during calls
After each troubleshooting step, check to see if your issue is fixed.
Screen goes black
1. If you are using a case, cover or screen protector, remove it and see if it was causing the
issue.
2. Check your
Dial a call and set the phone on a table (don't use speaker mode), then hold your hand
over the proximity sensor to see if you can turn the screen off and on.
3. Use
to see if apps you installed are causing the issue and uninstall as needed.
Calls are dropping
1. Check your signal strength:
•
Weak signal from your cellular provider is a common cause of dropped calls. In the
, see how many bars your network connection has. If you see only one or
two bars, change locations to improve your signal strength, particularly if you are
indoors.
Fix a problem : Call and SIM issues
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