Firoz led a campaign against Jajnagar and looted a lot of booty from temples such as the Puri Jagannath temple. He also marched against Nagarkot and made its ruler pay him tributes. During this campaign, the Sultan collected 1300 Sanskrit manuscripts from the Jawalamukhi temple library.
After the death of Gujarat Sultan Qutb-ud-dín Ahmad Shah II, the nobles raised his uncle Daud, son of Ahmad Shah I to the throne. He reigned over the Gujarat Sultanate from few days in 1458 CE.