Apple iPad Air 2 (apple-ipad5,3)

A mainline fork for this device is available here with further instructions here. Still needs to be tested and ported to postmarketOS.

Contributors

 * nergzd723

How to enter flash mode
Plug in the cable, hold Power and Home key for 2-4 seconds for device to power off completely, so the backlight is dimmed, then release the Power key and continue holding the Home key for 8 seconds until you get a new DFU device. Run checkra1n.