I’ve had this phone since 2016. It was passed on to my wife, who used it for a long time, and I’ve already replaced the battery once.
Finally, when Pam got a newer phone, she passed this onto my daughter, who was using it for a couple of years until she broke the screen
This is my first time replacing an iPhone screen. I’ve done a bunch of batteries with no problem, though. It took about 45 minutes in total, because I had to remove the Touch ID, ambient light sensor, camera, speaker, etc. from the broken screen.
Anyway, here are some photos of me fixing it.