There are various types of mobile phones based on their feasibility and working cri
teria. Some of them are: Basic Phones:Basic phones are the normal phones that we use containing facility of calling, messaging, alarm clock, calendar and some other normal requirements. These mobiles tend to offer a basic operating system that allows for calling, some music capabilities and carrier-specific applications. smartphone: smartphone are non-touch screen devices that offer a robust mobile operating system, most commonly Windows Mobile, Symbian, Blackberry or Palm. smartphone are capable of sending and receiving emails, editing documents and storing files. Pocket PC Devices: Pocket PC devices operate much like smartphone, though with touch screen abilities. 
GSM Technology:If your phone uses a SIM card, you are using GSM technology. This technology allows "unlocked" devices to swap SIM cards between carriers without having to notify the carrier of the new device. CDMA Technology:CDMA cell phones use an ESN (Electronic Serial Number) rather than a SIM card to identify the phone.In order to use the phone, you must call your carrier and they put the ESN on your account; they are notSwappable as easily as GSM devices.
teria. Some of them are: Basic Phones:Basic phones are the normal phones that we use containing facility of calling, messaging, alarm clock, calendar and some other normal requirements. These mobiles tend to offer a basic operating system that allows for calling, some music capabilities and carrier-specific applications. smartphone: smartphone are non-touch screen devices that offer a robust mobile operating system, most commonly Windows Mobile, Symbian, Blackberry or Palm. smartphone are capable of sending and receiving emails, editing documents and storing files. Pocket PC Devices: Pocket PC devices operate much like smartphone, though with touch screen abilities. 
GSM Technology:If your phone uses a SIM card, you are using GSM technology. This technology allows "unlocked" devices to swap SIM cards between carriers without having to notify the carrier of the new device. CDMA Technology:CDMA cell phones use an ESN (Electronic Serial Number) rather than a SIM card to identify the phone.In order to use the phone, you must call your carrier and they put the ESN on your account; they are notSwappable as easily as GSM devices.
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