switched off, turned off
His cell phone was turned off.
Nach dem Sturm war der Strom mehrere Stunden lang abgeschaltet.
After the storm, the power was out for several hours.
Auch wenn sein Handy weiter abgeschaltet ist, rufen wir dennoch weiter an, klar.
Even if his mobile phone remains switched off, we will still call him, of course.
— Loveless (2017)