Just yesterday, the Galaxy Trend Duos II got officially announced in China and now we have received its first ever official firmware. The firmware is based on Android 4.1.2 and comes with Samsung's Nature UX. For now, Samsung only pushed the final (retail) firmware for China, we hope other countries to follow soon. You can download the firmware through our Firmware Section.
Firmware Details:
Android Version: 4.1.2 – Build JZO54K
PDA: S7572ZCAMC1
CSC: S7572CHNAMC1
MODEM: S7572ZCAMC1
Build Date: 5 February 2013
Changelist: 912245
Via: Samsung-Updates