These class actions in California, New York and Illinois district courts represent millions of potential iPhone owners across the United States.
According to Israeli media reports, a similar situation took place here on Monday.
Apple did not respond to media comments.
December 18, the third-party agency Primate Labs analysis revealed that in the performance test of the old iPhone models found that 'Apple artificially reduce the performance of the old iPhone,' replaced the battery, the iPhone speed significantly accelerated.
A lawsuit filed with the court in San Francisco on Thursday pointed out that 'the battery was unable to meet the needs of the processor speed,' but the software itself is not flawed.
Complaint, wrote that 'Apple does not want to provide free battery replacement for all affected iPhone to make up for battery defects, but to try to cover up the fact.'
The problem now is that in the past year, most users may blame the aging of the processor for application crashes and poor cell phone performance and choose to buy a new cell phone, but the real reason is that the battery is low, You can trade for as long as you spend a little money.
Plaintiff's representative was Jeffrey Fazio, a lawyer. He was involved in a 2013 litigation on behalf of the plaintiff and Apple reached a $ 53 million settlement.
Rory Van Loo, a law professor at Boston University who specializes in consumer technology, said, "Consumers, once the lawsuit is true, understand the nature of Apple's product upgrades, so they simply replace the battery instead of buying it The behavior of the new iPhone, Apple, is misleading or fraudulent. '
But Chris Hoofnagle, director of Berkeley Law and Technology Center, said in an e-mail that this may not be Apple's fault.
In the case of product aging, Khufner said that "we have not introduced any consumer protection norms." Taking security vulnerabilities in equipment as an example, he pointed out that "it may make sense to degrade or even ban the product."
In some lawsuits, the plaintiffs asked Apple to pay damages, but the exact amount was unknown, with several complaints requiring courts to ban Apple from limiting the speed of iPhones without notice to users.