Apple - iPhone 5 - View countries with supported LTE networks.
da steht doch alles...
und hier noch mehr :
da steht doch alles...
und hier noch mehr :
If you buy iPhone for T-Mobile, it will arrive with a nano-SIM card already installed that you can activate by visiting an Apple Retail Store or a T-Mobile store or by calling T-Mobile. When you travel internationally, you can use a nano-SIM card for iPhone 5s from a local GSM carrier. The unlocked iPhone 5s model is A1533 (GSM).