KEY POINTS
  • A U.K. consumer watchdog investigated an iPhone update that slowed down the processor speed on older iPhones to make their batteries last longer.
  • Apple has agreed to inform consumers about battery health and the performance impact of its software updates, which it was already doing.
  • Public pressure stemming from the software update forced Apple to provide discounted $29 battery replacements.
CEO of Apple Tim Cook attends China Development Forum 2019 at the Diaoyutai State Guesthouse on March 23, 2019 in Beijing, China.

A consumer watchdog group in the U.K. said on Wednesday that Apple has agreed to clearly notify consumers if future iOS software updates slow down or change the performance of an iPhone.

The U.K. Competition and Markets Authority investigated the issue after Apple said in early 2018 that it had deliberately slowed down processor speeds through a software update on some iPhones to extend battery life.