Lineage 14.1 (Nougat) ROM for your Samsung Galaxy S Duos 2 / Trend Plus phone

Whatever it takes: 

1. The phone must be routed. 
2. Must have custom recovery.
 3. Stock ROM should be backed up.

Procedure:
 1. Download ROM from below given link.
 2. Copy the ROM to any folder of sdcard.
 3. Now go to your custom recovery. (Hold down the power + home + volume up button together)
 4. Then click on the wipe button => Advanced wipe => select first item => Swipe.
 5. Take some time to load. After the load is over, click the home button. 
6. Then click Install => select rom => Swipe. (5 minutes to load.) 7. Reboot the day after the load is over.

Download

Lineage 14.1 for duos 2
Lineage 14.1 for trend plus