The Samsung X427 is a simple flip phone that works with GSM dual-band. The phone supports EMS and text messaging. You can also use this phone for your personal organizer by putting important dates on the calendar and schedule of appointment or meetings with the To-Do list. Added features like the use voicemail vibrate alert, caller ID, call forwarding, call waiting, three-way calling and other standard features to more efficiently handle your phone conversations. Purchase this used Samsung X427 at a very low price now!