How to restore old photos from a phone you don’t have anymore

If iCloud Photo Library was activated on the old device (thrugh iCloud) there is a chance you can recover your photos.

If you were using another service like Google Drive, OneDrive or DropBox, it's also possible to get them back.

If you were using iCloud, log on with the apple id at www.icloud.com

Click on the photos icon.

Are your pictures there?