Tap “Photos” 
Tap “Albums” 
on bottom right
Tap “+” on top left
Name your own Album
Tap a photo(s) to select for your new album you just created.
Then tap “Done” on top right.
Well done
How to create photo albums on iPhone 6S
Tap “Photos”
Tap “Albums” on bottom right
Tap “+” on top left
Name your own Album
Tap a photo(s) to select for your new album you just created.
Then tap “Done” on top right.
Well done