It’s just like the story of the grasshopper and the octopus.
Sed ut perspiciatis unde omnis iste natus error sit voluptatem.
Partially, but it also obeys your commands. What?!
An input mechanism to allow the user to interact with the phone.
What good is a reward if you ain’t around to use it?
All GSM phones use a SIM card to allow an account to be swapped among devices.
While it is botanically a fruit, it is considered a vegetable for culinary purposes (as well as under U.S. customs regulations, see Nix v. Hedden), which has caused some confusion.