Do I need to transfer the SIM card from the iPhone 12 to 13 when transferring data phone to phone?

Hi Chimaltenango,

Welcome to the Apple Community.

Apple support have advice on the Sim card in the article below:

Transfer data from your previous iOS or iPadOS device to your new iPhone, iPad or iPod touch

https://support.apple.com/en-au/HT201269

For more info:

iPhone Support

https://support.apple.com/iphone

Hope this helps you :)