Power & Source of Big Ideas

I'd like a way to gracefully shutdown the nanopi2 and kill the power or minimally just kill the power. Is the pads to solder a switch or button to shut off power to the nanopi2? Or has anyone else came up with a solution?
To get adb working over TCPIP I had to add the following to the "on boot" section of the init.nanopi2.rc:

setprop service.adb.tcp.port 5555
start adbd
The wiki wasn't very helpful in this area for me. However that section did lead me to look at the sd-fuse_nanopi2 package. After poking around in there I found the sd_update tool. So after you build a new version of Android, use the following command to write a new image to the SD card: ./sd_update ...
Thanks, I'll give it a try and report back.
I would just expect FriendlyArm to have included one with the nanopi2/lcd combo I purchased. The one I received wasn't. Just an FYI to anyone else who purchases the NanoPi2/LCD/Power supply package.
Answering my own question incase it helps others.

The problem was that the provided power supply isn't sufficient to power the LCD and board at the same time. I replaced with my RPi3 power supply and all is well.
Hi, I'm having trouble flashing a working Android image on my Nanopi2 with 7"LCD I flashed the newest image on GDrive using dd. When I boot the nanopi2 I see the friendlyarm logo flash on and off on my 7" LCD. Watching over serial I don't see a crash in the kernel, I just see it suddenly g...

I've followed the steps on http://wiki.friendlyarm.com/wiki/index.php/NanoPi_2 under the "Make Your Own OS Image" section. After I've built everything what are the steps to write the kernel and android to the SD card?