# Cubilock Brightness App
The brightness app is designed to control the brightness of the screen.
## **Prerequisite:**
The CubiBright app needs the latest version of the ['Cubilock Companion'](https://docs.cubilock.com/mobile-apps/cubilock-companion-application) app installed on the phone.
## How to Setup?
Once the app is installed, open the app & perform the following steps:\
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**Allow required permissions:**
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**Agree to ToS & Privacy Policy:**
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**Allow system permission:**\
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**Select 'CubiBright' app:**\
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**Toggle the button to allow the permission:**\
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Move the slider to the right to '**decrease'** brightness:\
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**That's it, you can now press back & close the app:**\
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### Auto-Launch on Reboot:
Auto-launch on reboot will only work if the Kiosk's latest version is installed. \
**Required Version:**
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