Where can I change my calling card to send text messages?

How to set the warning of SIM card replacement: Open mode: Set-Lock screen and security (privacy and security)-Find my mobile phone-(log in to Samsung account)-swipe the card to open the warning of SIM card replacement, enter the reminder and recipient number-Save (some models: Set-Security -SIM card replacement warning). Shutdown mode: Settings-Screen lock and security (privacy and security)-Find my mobile phone-(login to Samsung account) -SIM card replacement warning-slider (some models: Settings-security -SIM card replacement warning). Tips: The operation paths of different models of mobile phones may be slightly different.