Earlier quoted context omitted.
I’ve got an appointment with Apple to replace the battery in my iPhone 13 mini. I would love the new features (especially the camera and sat comm) but I’m not willing to get a bigger form factor device.
Good luck. I’ve tried to replace battery in mine 12 mini last week - with no success. I had to leave my phone for 4 hours or several days (if they brake screen during battery replacement, they will wait for replacement phone to be shipped overnight). Also representative was convincing me to buy a new phone - saying that battery replacement won’t help much because new ios versions has features which high battery usage…
Part and kit: https://www.ifixit.com/products/iphone-12-mini-replacement-b...
Steps: https://www.ifixit.com/Guide/iPhone+12+mini+Battery+Replacem...