Noticeably reduces touch screen input lag and speeds up boot times upon turning on the ignition.

appears to be a mid-cycle firmware/driver bundle from a specific hardware generation. The "x" likely denotes a minor revision (e.g., 903550a, 903550b), meaning this is a stable, bug-fixed release but not the final version. rlink 2software version 903550x

Updating to version 9.0.35.50x can be accomplished natively if your vehicle natively operates on a "v9" fork, or manually via a USB drive for compatible systems. Prerequisites Noticeably reduces touch screen input lag and speeds