Apple will replace old iPhone batteries, regardless of diagnostic test results

Apple has started offering battery swaps for $29 (a month earlier than promised), after apologizing to customers for slowing older iPhones down as the batteries aged. However, the company did not clarify how it qualified batteries as eligible for the discounted replacement, as the Apple Genius Bar uses a diagnostic test to check whether a battery can retain 80 percent of its original capacity at 500 complete charge cycles. This led to some confusion over the weekend, with some consumers claimin