(Not a teacher)
'Disadvantage of' means that the object of concern creates or has the disadvantage:
'Disadvantage for' means that the object of concern receieves a disadvantage, or rather, is affected by a disadvantage:
:up:Thank you so much.[
Yes, you have got it right. This is just to explain the use of
disadvantage to:
Advantages/disengages of something means:
The something has (or possesses) some advantages/disengages; as:
\What are advantages and disadvantages of nuclear power?
There are several advantages-and-disadvantages of-Mobile-Phones
We use
disadvantage + to (verb)/
Infinitive to describe disadvantage/disadvantage of an action, as:
They show that it's not a disadvantage to be an illiterate woman.
He has many advantages to became the leader of the team.