These Global System for Mobile communications (GSM) General Packet Radio Service (GPRS) Wireless Application Protocol (WAP)-enabled mobile phones incorporate an icon based User Interface (UI) for easier operation, allows Short Message Service (SMS) text messaging, Multi-media Messaging Services (MMS), and includes Personal Information Manager (PIM) functionality. V3x is a tri-band phones that allow roaming within the GSM 900 MHz, 1800 MHz Digital Cellular System (DCS), and PCS 1900 MHz bands, in addition to the UMTS WCDMA 2100 MHz band.