One-pass app (Smart Home Key) that can be used in the same way as card access to an apartment using the smartphone's NFC and Bluetooth

※ Required access permission details
- Nearby device: Used when using Bluetooth service
- Notification access and notification reminder: Used to control detailed GAYO service notification functions
- Location: Provides a one-pass service that automatically opens the common entrance door when entering or leaving the apartment common entrance based on the current location.

※ Selected access permission details
- Contact information: Used to add household members and pass issuance functions
- Microphone: Used when using the elevator voice call function
-Notification: Used to control GAYO services and provide notices

※ To use the GAYO app smoothly, we recommend installing it on a smartphone running Android OS 5.0 or higher.

- Website: http://bluen.co.kr
- How to contact us:
For a quick response, please leave a category and detailed inquiry in [A/S Center -> A/S Reception -> Contact Us] at the bottom of the GAYO app main screen.