How do I change the default desktop environment in PureOS? [Librem 5]

[myrcy]

Linking this thread for its relevancy:

Anyone Know if The Plasma Mobile Runs on Librem 5

Anyone here running Plasma Mobile on their Librem 5? Plasma Mobile 6 just recently came out and the plasma mobile website lists Plasma Mobile 6 as supported on the Librem 5 running Postmarket OS. The Librem 5 development board ran Plasma mobile and we don’t hear much about that in the Librem 5 community after that, since around 2017. For what it’s worth, the AI claims that Plasma Mobile runs more mobile apps on the Librem 5 than PureOS does because of KDE support of a larger number of mobile li…