This is the 4062nd most frequent Catalan word.
descarregat
Unloaded; discharged; downloaded.
Here, 'descarregat' means the phone has no charge, showing its use as an adjective to describe a state.
El meu telèfon està descarregat.
My phone is out of battery.
In this case, 'descarregat' is the past participle of the verb 'descarregar', which means 'to download' or 'to unload.'
He descarregat els arxius de la pàgina web.
I have downloaded the files from the website.
Here, 'descarregat' again functions as the past participle, meaning the truck has completed the action of unloading its contents.