A subset of the reviewers experienced broken phones.
A subset of the reviewers who experienced broken phones admitted to removing a protective shield on the screen, thinking it was a temporary film meant only to preserve the screen from scratches during shipping.
Samsung was only claiming that the subset of subset of reviewers had erred. Samsung did not claim that the reviewers who experienced a broken phone but who did not remove the protective screen had erred.
A subset of the reviewers experienced broken phones.
A subset of the reviewers who experienced broken phones admitted to removing a protective shield on the screen, thinking it was a temporary film meant only to preserve the screen from scratches during shipping.
Samsung was only claiming that the subset of subset of reviewers had erred. Samsung did not claim that the reviewers who experienced a broken phone but who did not remove the protective screen had erred.