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Prepaid mobile phone. A prepaid mobile device, also known as a pay-as-you-go ( PAYG ), pay-as-you-talk, pay and go, go-phone, prepay or burner phone, is a mobile device such as a phone for which credit is purchased in advance of service use. The purchased credit is used to pay for telecommunications services at the point the service is accessed ...
SIM cards are identified on their individual operator networks by a unique international mobile subscriber identity (IMSI). Mobile network operators connect mobile phone calls and communicate with their market SIM cards using their IMSIs. The format is: The first three digits represent the Mobile country code (MCC).
The Apple SIM is known as a Removable SIM with Remote Provisioning [4] – it is a special SIM card that may be configured with different operator profiles. This is in contrast to an embedded SIM, which is not removable and may also be remotely provisioned. It appears that Apple has begun to include both types of SIM in their newer devices.
The SIM card is what connects a cellphone to the network, but since it's proprietary of each one, it is a pain to use when traveling and you need to switch from one carrier to another.
Service can also be purchased online at OneSimCard.com where you can buy international SIM cards as well as purchase and rent international cell phones. Services and Products. OneSimCard's proprietary global travel SIM card allows customers to call from anywhere in the world without incurring additional roaming charges.
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