You will not find an A grade exam paper on this site for the following reasons:
The grade boundaries and opinions of examiners changes often, most work falls into best fit categories (A or B)
In the nature of Media studies, past exam papers really are ‘past’ being contemporary – so unless you’re after models it’s pointless to spend money buying someone's old essay on Chucky and Moral Panics, as an example.
I don’t have time to write loads of full essays, but I will supply models.Models and frameworks provide suggestions on how to answer questions.
Links to exam specifications often have packs with exemplar material and examiner commentary.Your best person to consult is your Media teacher who will feedback on your strengths and highlight areas of improvement (your weaknesses).