Restore

If the phone is fully working you can back it up first and your backup can be restored to another phone or the same one.

Here is a guide for those steps:

How to back up your iPhone, iPad, and iPod touch

Restore your iPhone, iPad, or iPod to factory settings

restore from backup. 

https://support.apple.com/en-us/HT204184

If you do the usual workflow of importing photos to the PC or Mac then syncing back, you could import all your photos somewhere safe before all of the above.

If it is "disabled" you cannot. The data is already scrambled.