Apple is presently embroiled in a messy controversy involving older iPhone models that slow down in terms of performance after they reach a certain period of usage. This was, as Apple later confirmed, a deliberate decision. Throttling was coded in the software itself to avoid random shutdowns because lithium batteries have a natural degradation process, and to offset that, Apple cut corners in performance.
Apple iPhone Throttling Controversy
Users expressed outrage over the company's under-the-table throttling practices, firstly because Apple didn't explicitly inform customers that this would happen eventually, and because a large portion of affected users claim that Apple may be doing this to force users into upgrading to the newest iPhone model. Granted, a battery replacement would speed up throttled iPhone models, but replacing the battery doesn't come cheap. As part of its solution, Apple cut its battery replacement program to just $30 instead of $70.
Many of its customers still aren't satisfied. There are multiple lawsuits against Apple currently. Even the U.S. government is investigating Apple's throttling practices, and various investigations have been launched across the globe as well, including in China and France.
Your iPhone X, iPhone 8, And iPhone 8 Plus Is Safe
iPhone X and iPhone 8 users don't have to worry about throttling practices, according to Apple. These phones might not even employ processing slowdown as their batteries age because of the hardware updates inside that allow for better performance management.
"iPhone 8, iPhone 8 Plus, and iPhone X models include hardware updates that allow a more advanced performance management system that more precisely allows iOS to anticipate and avoid an unexpected shutdown," wrote Apple in a letter to Senator John Thune, who inquired about newer iPhone models.
An important thing to note here is that Apple also said that all iPhones contain basic performance management features necessary for safety and to protect the components inside the phone. So it's not that the newer iPhone models don't have throttling practices. The question is whether their eventual slowdowns will be as noticeable as on older iPhone models at the crux of this whole fiasco.
Apple CEO Tim Cook recently said that a future iOS update would allow users to turn off throttling on their iPhones.