How to Exit Factory Mode for Samsung Galaxy Devices

FactoryModeIf your device display a annoying transparency black background which contains some info about your device (PDA, Phone, CSC, H/W, Camera, …) in yellow text … and lock screen is not working, mean that your device is in factory mode.

“Factory Mode” is enabled if the EFS partition is corrupted because of installing custom ROMs, bad Mods or downgrading your current system version or after you succeeded in fixing the EFS partition.

Requirements :

Steps :

  • Open “ES File Explorer” and press on the top left icon
  • Go to Tools and turn on “Root Explorer”es root file explorer
  • Go to Local > / Device > efs > FactoryApp and open factorymode as text in “ES Note Editor”
  • Change it from OFF to ON and save it
  • Open keystr as text in “ES Note Editor”, change it from OFF to ON and save it
  • Reboot

Or :

  • Install “Terminal Emulator
  • Type : su
  • Type : rm /efs/FactoryApp/keystr
    rm /efs/FactoryApp/factorymode
    echo -n ON >> /efs/FactoryApp/keystr
    echo -n ON >> /efs/FactoryApp/factorymode
    chown 1000.1000 /efs/FactoryApp/keystr
    chown 1000.1000 /efs/FactoryApp/factorymode
    chmod 0744 /efs/FactoryApp/keystr
    chmod 0744 /efs/FactoryApp/factorymode

You can also remove the annoying message without root, but it won’t fix it

  • Go to Settings > Application manager > All
  • Search Factory Test and “Clear data”, “Clear cache”

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