As Apple is facing a lawsuit regarding the touch disease that plague the iPhone 6 and 6 Plus, a testing document which was presented by Apple in the court suggests that it knew about the bend gate and touch disease before the device was launched.
Most of the details regarding the document are confidential but the judge, Lucy Koh, revealed some details. She revealed some details while she published an opinion on the case earlier this month. Motherboard shared the details regarding the statements made by her.
Apple was aware of the fact that the iPhone 6 and 6 Plus were 3.3 times and 7.2 times more likely to bend than the iPhone 5s respectively. Apple claimed that the devices were tested thoroughly and bending was an extremely rare case and only a few customers experienced it.
Touch disease is also due to the design flaw in iPhone 6 and 6 Plus which causes the chip that detects touch input get unseated from the logic board from bending or multiple drops. Apple addressed the problem back in May of 2016 in an engineering change. They didn’t launch the repair program until the news of the problem became widespread.
“After internal investigation, Apple determined underfill was necessary to resolve the problems caused by the touchscreen defect. As the Plaintiffs explain, “[u]nderfill is a bead of epoxy encapsulant that is placed on a circuit chip to reinforce its attachment to the board substrate and to stiffen the surrounding assembly. … Underfill is used to prevent the manifestation of chip defects induced by bending because it reinforces the connections and prevents them from bending away from the substrate.”
After the repair program was launched Apple began replacing the affected devices with new ones for a fee of $149.
The Touch Disease lawsuit is still ongoing and not all documentation has been made public. Judge Koh recently denied the plaintiffs’ attempt to get class certification, but an appeal is in the works.