HT201270: Update your carrier settings on your iPhone or iPad

Learn about Update your carrier settings on your iPhone or iPad
prabhakaran nair

Q: After up grade there is no sound or even ringtone

Please advise me to correct sound system in my phone.No ringtone or any swith on /off noise.but Through headphone is ok

iPhone 4S, iOS 6.1.1, after upgrading no sound or even ri

Posted on Feb 15, 2013 11:21 AM