I don't have a working phone at the moment and i need to activate an old phone because i have kids in school and work from home

sascha72 wrote:

There is a guided access that is currently on and it will not let me enter in my passcode to unlock my phone.

Triple-click the Side or Home button, enter your Guided Access passcode, then tap End. Or if you turned on Touch ID or Face ID for Guided Access, double-click the Side or Home button.

Use Guided Access with iPhone, iPad, and iPod touch - Apple Support

If you forgot the passcode on your iPhone, or your iPhone is disabled or unavailable -

Click on the link for instructions on how to reset your passcode without a computer if you have iOS 15.2 or higher.

If you see an iPhone or iPad unavailable message or Security Lockout screen - Apple Support

Click on the link for instructions on how to reset your passcode using a computer.

If you forgot your iPhone passcode - Apple Support