SIM card lock

I think you’re asking how to apply a SIM lock so that nobody else can use your SIM if your phone is stolen. ???

If so … see this article:

Use a SIM PIN for your iPhone or iPad - Apple Support

Whatever you do … DON’T GUESS !!!

You can easily lock yourself out of your own SIM by doing so.

Bosst9396 wrote:

How can I get it to People that want to put the Sim card in their phone not be able to use it please he’ll ne

What people?