The Shanghai Consumer Council requested an explanation about the slowing down of older iPhones, demanding a reply before Friday, Xinhua reported.
A Chinese consumer group has asked Apple for information about the slowing of older iPhones after operating system updates, demanding a reply before Friday, state news agency Xinhua reported.
The query from the Shanghai Consumer Council came in response to consumer feedback that old iPhones became sluggish after upgrading the software to iOS 10.2.1, it said.
In a letter to Apple on Monday, the council requested an explanation for the slow-down and information about what Apple planned to do to rectify the problem, Xinhua reported.
