AppleProto03 on X: "iPad 6th Generation EVT Prototype. Runs Switchboard based off of iOS 11.3. The device is CPFM 01 which allows JTAG debugging. Also features writing on the back as well
Z3x Easy-Jtag Plus presa Kit Nand per presa iphone funziona con Z3X Easy Jtag plus box - AliExpress
The Hitchhacker's Guide to iPhone Lightning and JTAG Hacking (DEF CON 30 Presentation) - YouTube
Inside Apple's Lightning: JTAGging The IPhone For Fuzzing And Profit by Thomas Roth - YouTube