Angry customer

I bought rain simcard 2 years ago bo signature or affidavit was required and requested a sim swap last week 23rd February and they required an affidavit now on the 1st March they need my signature when I needed to receive my parcel for an upgrade .I was not informed about their services and requirements but they change everytime I have to receive my parcels . I didn't receive any crospondance regarding my parcel up to now .