How To Access Factory Mode & Other Hidden Menus On Galaxy Camera

Step 1: Install Nova Launcher from the Google Play Store.
Step 2: Run the launcher (there’s no need to set it as default if you don’t want to), and tap and hold on the home screen until the menu pops up.
Step 3: Add a new Shortcut, and in the type of shortcut, tap Activities.
Step 4: From here, select Factory Mode, followed by Factory Mode FactoryCTRL.
Step 5: Back on the home screen, launch the newly-created shortcut, and viola! You are now in Factory Mode on your Galaxy Camera.