GNU/Linux Deepin Updating System Guide
How to Update Packages & System on Deepin GNU/Linux desktop – Step by step Tutorial.
And here I explain How to Update Deepin easily on Command Line.
But at your choice there is also the possibility to see instead: How to Update System with GUI.
Especially relevant: after if the suited result is Not achieved, you may be also interested about How to Upgrade Kernel on Deepin.
1. Terminal Quick Start
How to Quick Start with Command Line on Deepin:
First Update the Apt Repo Sources with:
sudo apt update
Contents