Joke Collection Website - Blessing messages - Do you still have the text message before changing your mobile phone to a mobile phone card?

Do you still have the text message before changing your mobile phone to a mobile phone card?

The original information is not available after changing the card.

After changing the card, the information stored in the mobile phone card will not be transferred, and it needs to be transferred manually.

Mobile phone card, that is, SIM card, is the abbreviation of (subscriber identity module), also known as subscriber identity card and smart card. GSM digital mobile phone can only use this card. Digital mobile phone customer information, encryption key and user phone book are stored on the computer chip, which can be used to authenticate the identity of GSM network customers and encrypt the voice information when customers talk.