Oral Tawatur Of Quran
There are several other codices of the Quran, however, there’s only one (the final compilation) that’s transmitted through ijma and tawatur. This is what’s also referred to in the Quran itself in verses 75:16-19. For detailed discussion on this topic, please see: https://youtube.com/playlist?list=PL3yXG2ufxd6Ufv8iDWTj_JGbICzfiyLoB