Seems like as we draw closer to the new year, we have a new present. This case, we have a new leaked OS, version 10.3.1.1949. It is available for most devices, though not all.
Right now, it is only available for the following devices:
However, apparently, there is not any Passport variant out yet though….
Note that these are autoloaders that will wipe all data off your device! So do proceed with caution!
Note that there is a bug with the exFAT drivers and you will need to load this bar file manually:
Download here (Direct Link)