BLOB uploads
Zephyr/nRF91
This sample shows you how to do a BLOB upload from Zephyr running on the nRF91.
The source code is available on GitHub in the repo https://github.com/lab5e/nrf91-blob-sample
Go
This is a shorter sample implemented in Go that might be easier to read than the Zephyr sample: https://github.com/lab5e/go-blob-upload