Pls help me about this problem 
I set the notification tone and put the volume into max volume
and then there's still no tone when receiving sms
I installed rings extended before and it was working.
but when I uninstalled it, the tone for the notification seems lost
It's only for the notification that is not working
pls. help me about this.
what should I do about it?

I set the notification tone and put the volume into max volume
and then there's still no tone when receiving sms

I installed rings extended before and it was working.
but when I uninstalled it, the tone for the notification seems lost

It's only for the notification that is not working

pls. help me about this.

what should I do about it?