Self-information

Usually not, unless there are some photos that are too private.

Otherwise, they just want to make money and throw away their mobile phone cards at once.

Of course, if you have the phone bill, you will use it. There is nothing in the memory card, so you format it and sell it on your mobile phone.

Anyway, if he wants to sell your mobile phone, he must delete those things.

Don't worry, as for your card, you can go to the business hall to reissue it if you know the card password.

The new card is still your original number.