http://device.sprintpcs.com/Samsung/SPH-L900/latest
Well it seems like 4.3 is in development stages. Yesterday it was 4.1.2, Now it says 4.3
Along with the Sprint GS3
http://forums.androidcentral.com/sprint-galaxy-s-iii/319639-4-3-sprint-gs3-anyday-now.html
10-2-2013
Software version: L900VPUBMIA
Well it seems like 4.3 is in development stages. Yesterday it was 4.1.2, Now it says 4.3
Along with the Sprint GS3
http://forums.androidcentral.com/sprint-galaxy-s-iii/319639-4-3-sprint-gs3-anyday-now.html
10-2-2013
Software version: L900VPUBMIA