Bedeutung von “upgrade” — Learner’s Dictionary

upgrade

verb [ T ] us uk /ʌpˈɡreɪd/

B2 to improve something so that it is of a higher quality or a newer model:

to upgrade a computer
upgrade noun [ C ] us uk /ˈʌpɡreɪd/

(Definition von “upgrade” aus dem Cambridge Learner's Dictionary © Cambridge University Press)