This would work so much better if replacement batteries were widely available and replacement just required a screwdriver, rather than heat guns, suction cup to

This would work so much better if replacement batteries were widely available and replacement just required a screwdriver, rather than heat guns, suction cup tools, and pry tools (https://www.ifixit.com/Guide/iPhone+12+Battery+Replacement/140588 https://www.ifixit.com/Guide/iPhone+12+Battery+Replacement/1...)