Without any disrespect, the Engineer attended your case may just a ROOKIE, so he may just having a small bucket of help he could offer.
Anyway, some good news coming up. 1 fellow in my country Singapore spoken to Apple Senior Representative, Apple Singapore has got noted this issue. New iOS release is coming our way to rectify this problem. Below jonrenz with Apple Senior Representative statements for all references.
jonrenz wrote:
Just called apple this morning, they said they have noted this issue since monday due to many similar cases. Require all those facing the same issue to give them a call to provide them some information. Senior rep told me that once their technical team has solved this, they will informed customer thru email/phone to perform an update via iTunes. So currently, other than to powe cycle, not much else you can do. No use calling Singtel as well as Apple said this is a software issue.