Backup and recovery process can be find in the Chapter 8 section 1 of the training video

Software update include System update and Application update, which will be explain on section 2 and section 3 of Chapter 8.

https://www.youtube.com/watch?v=enAaT_7ggXA&list=PL8FypPDURtE5YzuiF043CMveg4mgw_gRR&index=8