Solved! Head phone works fine, when screenlight is on that time ph rings with ring tone but other time it's not rang with its ring ton

Jan 21, 2019
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Head phone works fine.When screen light is on that time ph rings with ring tone but other time it not rang with its ring tone. It goes to in silent mode without changes it's mode.
 
Solution
Try starting the phone in "Safe Mode" and see if it works in there. If so, then there is likely something on the phone causing this problem. Bad app, virus, malware, etc. that will need to be removed.

To get into "Safe Mode" please do the following.

1. First turn off the phone.

2. Next press and hold "Power" until you see the manufacturers logo on the screen, then release the power button.

3. "Quickly" press "Volume Down" and hold it for few seconds until you see the message "Safe mode: ON" or something similar.

4. If you wanted disable it, simply repeat the steps above, and you should see "Safe Mode: OFF" rather than on.
Try starting the phone in "Safe Mode" and see if it works in there. If so, then there is likely something on the phone causing this problem. Bad app, virus, malware, etc. that will need to be removed.

To get into "Safe Mode" please do the following.

1. First turn off the phone.

2. Next press and hold "Power" until you see the manufacturers logo on the screen, then release the power button.

3. "Quickly" press "Volume Down" and hold it for few seconds until you see the message "Safe mode: ON" or something similar.

4. If you wanted disable it, simply repeat the steps above, and you should see "Safe Mode: OFF" rather than on.
 
Solution