I am following the instructions here https://github.com/96boards/documentation/wiki/HiKeyOPTEE#flash.
Everything seems to work up to the point where I finish flashing the jessie.udpated.img. The next instruction says to turn off the HiKey board, so I unplugged the power. Then removed link 3-4 and plugged the power back in.
However rather than turning on, it initially lights up USER LED4, and then hangs after switching to LED1 and LED3.
I have tried both the 4g and 8g ptable after renaming it to ptable-linux.img. The jessie.updated.img and fip.bin are the ones produced from the instructions above, while the I-loader, ptable-linux, boot-fat.uefi and nvme I grabbed from https://builds.96boards.org/snapshots/hikey/linaro/uefi/latest/.
I looked at getting started, there seems to be a fastboot reboot step somewhere but these instructions for OPTEE explicitly says not to. I am not sure what I am doing wrong right now and do not have access to serial console (adapter board is on the way).