Samsung Galaxy S Duos 2 (Latin) (GT-S7582L) Firmware Overview
What is the latest GT-S7582L firmware?
S7582LUBUAOA1, released February 11, 2015 for region ZTO with Android 4.2.2. The archive holds 4 official builds for this region.
Is the Samsung Galaxy S Duos 2 (Latin) still getting updates?
Most likely not: there has been no new firmware since February 2015, so Android 4.2.2 is the last version this model got. The final builds below are still the best choice for a clean reinstall.
GT-S7582L firmware for region ZTO
How to Flash GT-S7582L Firmware
Put the Samsung Galaxy S Duos 2 (Latin) into Download Mode, load the BL, AP, CP and CSC files into Odin on a Windows PC and press Start. Use HOME_CSC to keep your data, CSC for a full wipe.