Apple addresses #iPhoneSlow, offers steep discounts on battery replacementsHere's Apple's explanation on what's happening with iPhone batteries and performance.
Apple has published a letter explaining the confusion caused by the iOS 10.2.1 update last year that prioritized battery health over peak performance. The company is also offering deep discounts on battery replacements, down from $79 to $29, and will issue a software update that provides far more insight for customers into the state of their battery health.
December 30, 2017: Forget mid–January, Apple starting discounted battery replacements now.
"We expected to need more time to be ready," an Apple spokesperson told iMore. "But we are happy to offer our customers the lower pricing right away. Initial supplies of some replacement batteries may be limited."
What you need to know about Apple's $29 battery replacement program
From Apple:
We've been hearing feedback from our customers about the way we handle performance for iPhones with older batteries and how we have communicated tha...
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Apple addresses #iPhoneSlow, offers steep discounts on battery replacements