What is the platform string for the iPhone 6 and 6 Plus?
FYI: platform string is important because it helps identifying HW model for programming purpose.
Bel
If you look inside the device profiles within /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/Library/CoreSimulator/Profiles/DeviceTypes (Using Xcode 6) you will see:
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/Library/CoreSimulator/Profiles/DeviceTypes
iPhone 6 Plus: iPhone7,1
iPhone7,1
iPhone 6: iPhone7,2
iPhone7,2