iphone 11

If your phone is disabled, then no, unfortunately there is no way to unlock it and retain your data.

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

How to reset your passcode without a computer if you have iOS 15.2 or higher.

How to reset your iPhone, iPad, or iPod touch when you forgot your passcode - Apple Support

How to reset your passcode using a computer.

If you forgot your iPhone passcode - Apple Support

I'm sorry, but your question is not very clear. Locking or unlocking your phone has nothing to do with deleting content.

What exactly do you mean?

Are you referring to iCloud syncing? and deleting items from one device causing them to delete on another?

Pleas explain clearly and in as much detail as possible what is happening.