I’ve done the same thing with my old iPhone 5s.I still have my old(er) 7Plus as a spare and have my 8Plus set up as new as its tentatively sold. When working with either of them it was a lesson in 'muscle memory' as after 2 days with my 12, I was clumsy and 'drew a blank' several times on the older design when I tried to swipe up and either got nothing, or the control centre
I’ve done the same thing with my old iPhone 5s.