How can I free disk space on the device to get it back into communication?

IOS 13.3.1 bricked my IPhone XR after reporting IPhone storage is full

So, as you might guess, here is the most obvious question: How can I free disk space on the device to get it back into communication?

• I followed the disk full dialog - no effect
• I try to sync - not possible
• I try to backup - not possible
• I try to delete stuff - it shows up no more, but frees no diskspace
• I try a better mac - not possible, trust wont work
• I try to move pictures to the cloud - not possible (Error occurs while doing this)

Solution 1:

You should delete the Applications that you purchased from the AppStore. You can download them again for free. Also, delete the Applications you don't need. If you go to Settings/General there is an option that reads iPhone Storage. Open that and give it time to completely load. At the bottom, it will give you a listing of all your applications and the size of them. Check and see if you can delete any of the large ones.