Apple has published an apology to its customers for failing to properly inform customers about battery and throttling issues with older iPhones. With its aplogy, Apple is reducing the cost to replace the batteries of iPhone 6 and newer models for 2018. In their letter they explain the issue of degrading battery performance over time and why they throttle to help solve it. They apologize for failing to be transparent on the issue and properly informing their customers. They also promise more transparency regarding battery health in future iOS updates.