how to ninstall android on samsung galaxy ace duos schi589

[AC Question]

my samsung galaxy ace duos schi589 was android 2.3.6 but android software is uninstalled on my phone what i should doo .I want to reinstall android os on my samsung galaxy ace duos schi589

 

[B. Diddy]

Welcome to Android Central! What exactly got uninstalled? You can't uninstall the OS unless the phone is rooted--is it?