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After Samsung 7 100 cleared the data, the ringtone of the mobile phone system disappeared. What if the notification ringtone is only muted?

Hello:

According to your description, in this case, I suggest you: 1. Turn the machine on and off and try again.

2. Back up mobile phone data (phone book, SMS, multimedia files, etc.). ), restore the factory settings (enter the phone settings-reset-restore the factory settings) or send the phone to the nearest Samsung service center for testing and further processing. Please visit the address and contact information of the service center:

/support/location/supportservicelocation . do? Page = service. Location and place. cid = cn _ PPC _ support _ service _ repair net _ 120522

Welcome to Samsung service to make an appointment:

. Samsung . com/support