Celkon mobile phones

Display

• 4.0 inches (10.16 cm) (1) 

  4.5 inches (11.43 cm) (1) 5.5 inches (13.97 cm) (1)

Operating System

• Android v5.1 (Lollipop) (1) 

  Android v4.2.2 (Jelly Bean) (1) Android v4.4 (Kitkat) (2) Android v4.4.2 (Kitkat) (2)