A new firmware version is available. Upgrading may improve the performance of 'GALAXY S DUOS2(GT-S7582)'. Do you want to upgrade?
Current firmware version : PDA:MK3 / PHONE:MK3 / CSC:MK2 (SEE)
Latest firmware version : PDA:NA2 / PHONE:NA1 / CSC:NA1 (SEE)
I can't find a changelog anywhere, does anyone have more information?