my Iphone 4s sound doesn't work properly
the built-in speaker in my new Iphone 4 s dos not working all the time
only if i open ring tone page in setting/sound/ringtones the sound will come again from the speaker
but other no way to hear from the speaker
please help as soon as possible
am living in china
but i bought the phone from saudi arabia 1 month before
iPhone 4S, speaker