I bought a new phone. I want to switch the sim card to have my old phone be my kids and the new one to be my phone with my old sim card. When I switch the sim cards, my data is still on the old phone.
iPhone 12
User data is not stored on the SIM card. To clear the old phone, use the following instructions: What to do before you sell, give away, or trade in your iPhone, iPad, or iPod touch - Apple Support and then set it up as new. Each person should use their own Apple ID.
If the child is under 13, the following may also help: Help your child set up an iPhone, iPad, or iPod touch - Apple Support
User data is not stored on the SIM card. To clear the old phone, use the following instructions: What to do before you sell, give away, or trade in your iPhone, iPad, or iPod touch - Apple Support and then set it up as new. Each person should use their own Apple ID.
If the child is under 13, the following may also help: Help your child set up an iPhone, iPad, or iPod touch - Apple Support
when i switch the sim cards, the old data is on both phones
