iPhone Overwritten Data How to get back over overwritten data?

My case: photos and videos from iPhone?

My phone updated and restored and I never got to back up my phone.

Where does the overwritten data go and how do I get it back?
If you restored your iPhone from a different backup, or as a new device, then you would need to restore again from the correct backup.

There is no recoverable data once a restore has been completed.
The devices are hardware encrypted &amp; once the encryption keys are deleted, that's it, I'm afraid.