LG Optimus F6 (D500)

[http://www.lg.com/us/cell-phones/lg-D500-optimus-f6/technical-specifications Tech. specs on the LG site]

This phone would appear to be used by and.

Spec. aggregator sites

 * On PhoneScoop
 * On PDAdb.net
 * On PhoneArena
 * On NotebookCheck

Teardowns

 * TechInsights's paid teardown