"Hearst Magazines and Yahoo may earn commission or revenue on some items through the links below." The right-to-repair movement is reaching a tipping point, with half of the states in the U.S.

I have a venerable iPhone 4S, circa October 2011, which has approximately 430 battery cycles (thanks to BatteryInfoLite). I plan on keeping this phone for at least another 18 months and it's ...