my phone says data recovery cannot be completed please restore your iphone from backup, cant as dont remember the passcode
help iphone
Question marked as
Passcode forgotten, Locked, iPhone unavailable and Disabled
You can sometimes remedy this without a computer if on iOS 15.2 or later, but you will still need the Apple ID password. It will WIPE the phone.
How to reset your iPhone, iPad, or iPod touch when you forgot your passcode - Apple Support