The iPhone XS Max and the iPhone 6s Plus are now classed as "vintage" hardware by Apple, while the Apple Watch ... with the exception of MacBook battery-only repairs for up to 10 years after ...
The only exception is MacBooks, which may allow for a battery replacement ... However, even if an Apple Store turns your iPhone 6S Plus away for repair, independent repair shops may still help ...
A device becomes vintage when more than five years have passed since it was last sold as new by Apple. Before that five years passes, you can always get repairs and replacement parts from Apple ...