You will get this message when you try to sign into Music Unlimited without a Music Unlimited subscription. Currently, you cannot purchase Music Unlimited subscriptions directly from your iOS device.
The following iOS devices are supported:
- Apple® iPhone® mobile digital device 3GS or Later versions
- Apple® iPod touch® portable player 3G or Later versions
- Apple® iPad™ mobile digital device (available in iPhone emulate mode only. It will be not use iPad native UI)
NOTE: Your iPhone or iPad will need to be version 4.3 or later.