The next iPhone you get may come with super-fast data speeds that are 100 times faster than Wi-Fi. Based on references found in iOS 9.1’s code, it appears that Apple is testing Li-Fi capabilities on the iPhone that use light pulses instead of radio waves to transmit data.
Hidden inside iOS 9’s system library cache file there’s a specific mention of “LifiCapability.” The reference was first spotted by 19 year-old developer Chase Fromm on Twitter:





