Late last year, Apple starting handing out $29 batteries to customers affected by unexpected shutdowns and slowdowns with their iPhone 6, 6s, and 7. That price represented a significant discount over the $79 Apple usually charges for a new battery, and customers predictably flocked to Apple stores to take advantage of the program.
But anyone who paid for a battery replacement before Dec. 29, 2017, was out of luck. While there were scattered reports of customers convincing Apple representatives to refund the money they paid for a replacement, there was no official way for customers to file for a refund, even if the battery replacement corrected the same issue covered by the new program.