Is there any persistent storage on the nRF9160 feather. I would like to store about 64 bytes that survive reboot.
Persistent Storage
Yes! You can use a dedicated storage partition on the nRF9160 itself or you can used the 32 Mbit SPI NOR flash.
You can check out this video for more info: https://www.youtube.com/live/zgMMC0eWkkM?feature=shared