Ordered my 6 plus 128gb silver/white thru the app about 330 this morning getting a order confirmation Email with 9/19 delivery. All is good. Then ordered another 6 plus 64gb slate/ black for my wife and got a delivery email with a 10/1 - 10/6 delivery. Now here's my question: I sold her old Iphone 5 yesterday and will be shipping that out today and thought she was only going to be without a phone for a week but now it could be 2-3 weeks potentially. I still have my iphone 5, can I put her SIM card in my iphone5 until her new 6 plus gets here so she does not have to go without a phone?