Why do older iPhones experience slowdowns and glitches around the time of the new product releases?

The timing of the glitches isn’t intentional, as some iPhone users may think. Yet Apple admits that iPhone users can experience performance issues in older phones.

Certified technicians at LaptopMD in Manhattan explain the different ways older batteries affect the performance of iPhones. Turns out Apple has an answer—and a solution—for these problems.