![]() ![]() Nowadays you'll likely get your new SIM as a multi-SIM, meaning you can pop out the right size to suit your device. SIM's come in lots of different shapes and sizes. When the SIM is outside of that number of preferred networks, like abroad, then the SIM will connect using the first or best network available. These are stored in number format on the SIM with up to 80 networks. If you leave the usual network provider's country of origin then your phone will go into roaming mode, meaning you use a local network where you are.Ī SIM card issuer will generally have a set of preferred networks. the number that can be stored depends on the SIM but in most cases modern SIMs aren't used as a memory bank since phones have plenty and lots of storage is now cloud based. Although most phones now let you store them in the cloud with far more rich data like addresses, emails and even pictures. That means, when you change phone, the contacts go with you on the SIM. That might not sound like a lot but it is enough to store up to 250 contacts right there on the SIM. ![]() The SIM comes in storage capacities from as low as 8KB right up to 256 KB. ![]() How do dual SIM card phones work? What can a SIM store? ![]()
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