Latest Samsung GALAXY Pocket Neo DUOS (GT-S5312L) - UPO firmware
Samsung GALAXY Pocket Neo DUOS (GT-S5312L) firmware for Paraguay (UPO): 1 build in the SamMobile archive, newest first. The latest is S5312LUBAMD4 (Android 4.1.2, built 18 April 2013). Open a build to download it, or switch region with the country selector.