When the first-gen iPhone was released, they could break certain wireless networks built on Cisco hardware. https://hardware.slashdot.org/story/07/07/21/121221

When the first-gen iPhone was released, they could break certain wireless networks built on Cisco hardware. https://hardware.slashdot.org/story/07/07/21/1212217/duke-wireless-problem-caused-by-cisco-not-iphone https://hardware.slashdot.org/story/07/07/21/1212217/duke-wi...