Description
I must face him, alone.
Let’s blow this thing and go home!
The most common input mechanism is a keypad, but touch screens are also found in some high-end smartphones.
Individual GSM, WCDMA, iDEN and some satellite phone devices are uniquely identified by an International Mobile Equipment Identity (IMEI) number.
All GSM phones use a SIM card to allow an account to be swapped among devices.