I've gotten an iphone 6, and I've noticed a mysterious new problem. Before when using an iphone 4, I downloaded a 'silent iphone ringtone' from the 'tones' store (not the regular app store), paying a 1.29 for it. I used this as my default ringtone to kill of unwanted junk callers while assiging individual ringtones to my contacts, and it worked very well. Life was good. But when I moved to the iphone 6, the silent ringtone disappeared. Chalking it up to some weird glitch related to switching phones, I purchased it again. But now it's gone once more, and the individual ringtones and alerts I asssigned to my contacts all seem to have reverted to default. What is going on? Having a silent ringtone is very important to me since I get many junk calls a day, not to mention I like having different sounds for different contacts. Can anyone help solve this one?