A repair software package. Shared as “RK3128_R128Q_V1_V2_X2_rooted_Android-7_(unninet).img” — a .img file, 904 MB.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @tvsoftwareworld. Enginerys does not host this file.