A few days ago Android watchers were abuzz after a new version of Verizon's Galaxy S4 appeared on Samsung's site. Listed as model number SCH-I545L, there was some speculation it could be a spec bump on the original GS4. Maybe even a version of the device with LTE-Advanced? The truth behind that extra "L" at the end of the model number is much more mundane. It's for rural carriers, according to Verizon.