But it claimed to be doing this as a means to prevent processors from demanding too much power from older Lithium-ion battery packs, which degrade over time and struggle to deliver the peak currents and battery life they could when new.
In mid-December, Apple was forced to confirm what many had suspected: it was deliberately hamstringing the performance of older iPhones running newer versions of iOS.
Apple's olive branch to iPhone owners affected by the CPU throttling saga could end up costing the company a small fortune. Supplies may be limited at first.
When a customer brings an iPhone into an Apple store citing slowness, an employee would typically run a diagnostic test on the phone.
Last week Apple said it would charge US$29 to replace a worn out iPhone battery, and this week the company is making it even clearer who can take advantage of the offer.
Previously, the outcome of this test would determine whether or not your device would be eligible for a free replacement under warranty.
Apple did not say whether a diagnostic test on iPhone batteries would be required when it announced the discounted battery replacement plan.
Many users could have smartphones operating at below 80% capacity, as the iPhone 6 debuted in September 2014, while the iPhone 6S arrived a year later. Fisher Asset Management LLC owned about 0.21% of Apple worth $1,678,121,000 as of its most recent filing with the Securities and Exchange Commission. "We maintain that 2017 fourth-quarter iPhone X volumes were at 30 to 35 million and we are very skeptical that volumes will increase in the first quarter of 2018".
At least five groups seeking class action status, involving consumers in Texas, Illinois, California and NY, have also sued the company in the wake of the slowdown revelation.
The company, in a letter to customers posted to Apple.com, said that the slowdown wasn't an attempt to make people buy new technology. However, it raised suspicions the slow down was created to push customers into upgrading to a new iPhone.