SIM cards can also be used by a phone to store limited amounts of data, such as phone numbers and text messages. Moving a SIM card from one phone to another allows a subscriber to switch mobile phones without having to contact their mobile network carrier. The SIM card is most commonly associated with GSM and UMTS mobile networks. This allows the phone to use the card to attach to a mobile network. SIM SIM (Subscriber Identity Module) is a small card that contains a mobile network subscriber's account information. GPRS GPRS (General Packet Radio Service) is a packet-oriented mobile data service on the 2G and 3G cellular communication system's global system for mobile communications (GSM), Generally, GPRS is used for the purpose of wireless data transfer, such as sharing pictures and videos or browsing the Internet via a mobile phone connection.ĮDGE EDGE (Enhanced Data GSM Environment) is a wireless network technology generally considered the next step in the 2G network offers data transfer rates up to four times faster than ordinary GSM networks, Generally, EDGE is used for the purpose of wireless data transfer, such as sharing pictures and videos or browsing the Internet via a mobile phone connection.īody Dimensions It's the size of the phone in format (H x L x W) and the volume of the phone where available.ġ50.9 x 75.7 x 8.3 mm (5.94 x 2.98 x 0.33 in)īuild Describes the construction materials, methods and finishes used by the manufacturer when building a phone.įront/back glass, aluminum frame (7000 series) HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100ĤG bands It is the 4th generation mobile data communication technology. GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM) - for ChinaģG bands It is the 3rd generation mobile data communication technology. 2G bands It’s the 2nd generation mobile data communication technology.
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