Battery stuck at 82% usable, but symptoms getting worse..apple software locked so they don’t have to replace any batteries?
iPhone 12 Pro Max acting up but battery health is not going down!
You can’t will the health to drop where you want it to at a certain time…doesn’t mean Apple software locked so they don’t have to replace any batteries. Batteries are replaced by Apple all of the time so that theory is not correct. Have you gone through troubleshooting with Apple?