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Are SMS messages stored on sim card or memory card?
SIM card is responsible for providing users with a lot of business information, which can be used to store short messages received by mobile devices from the network, especially short messages received when users are absent or absent, and short messages initiated by mobile stations. The required capacity is 176 bytes.
A more specialized application is to store priority lists, subaddress identifiers, network/bearer identifiers, etc. Its required capacity is 14+X bytes. When several networks can be accessed, users can choose. When there is a real-time charge notice on the Internet, the SIM card can remember this information, so that users can know their own fees at any time.
Extended data:
Legal SIM cards must go through strict management steps before they can be used. When the SIM card leaves the factory, the specific data and key of the card have been written into it for personalization. Users can read or modify some information stored in the SM card. Reading or modifying personal information can be done through the keyboard of a mobile phone, or by connecting a personal computer with a SIM card and using related software.
SIM card is the key of GSM mobile communication terminal. Once the SIM card is pulled out from the mobile terminal, the terminal cannot use it except for emergency calls. SIM card can be used as a key, which also provides a lot of convenience for users. Users only need to insert or embed the SIM card into any GSM terminal to realize communication.
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