The Ins and Outs of PC Audio Jack Colors. In many cards, the microphone connector will be pink, the line out or headphone will. be lime green, and the stereo line in will be light blue. Additional jacks may be present. on newer soundcards for rear and mid surround speakers. There is a widely accepted color standard for computer sound card input and output.
If one of the key features of Wi-Fi calling is that you can start/receive a call while on Wi-Fi and it will hand off to the cell network in a seamless fashion, that might not be true for some iPhone 5 users on T-Mobile.
In order to get LTE you would need to call AT&T and tell then you have an iphone 5 and to activate it. I have no idea if there's a fee for this. You would have to ask AT&T. But they might make you get a new nano sim and tell you they can't activate LTE on your SIM card because its not compatable.o my friend just purchased the iPhone 5 and doesn't like it. She wants to trade with me, and take my iPhone 4. The thing is, i would need a different sim card because the iPhone 5 has a new 'nano-sim' now and my old sim wouldn't fit.