According to evleaks, this 4-inch handset will be officially known as the Galaxy Axiom (model SCH-R830), and could very well end up on US Cellular, bringing with it a WVGA display alongside a decent dual-core, 1.2GHz MSM8960 CPU, LTE and Ice Cream Sandwich.
https://imgur.com/mEnsx
Alleged 4-inch Samsung Galaxy Axiom leaks, could be headed to US Cellular - Engadget
https://imgur.com/mEnsx
Alleged 4-inch Samsung Galaxy Axiom leaks, could be headed to US Cellular - Engadget