1- In step one, download the Octopus app on your Sony device. You can use the link here to download the APK:
https://octoservice.net/storage/android/release.apk
2- Copy the APK file you downloaded to your USB drive.
3- Go to the Home Screen by pressing the “Home” button on your remote control.
4- Access the screen settings by clicking the “Settings” icon in the upper right corner of your screen using your remote control.
5- Select “Pro Settings” from the list.
6- Connect your USB drive to the device.
7- The “Install APK” option will now appear as a selection in the list. Click on this option.
8- A file with the APK extension will appear. This file must have the same name as the file you copied to your USB drive in the first step.
9- Make the selection and confirm the dialog again to start the installation.
10- If you finally see a dialog with the following message that it has been installed, the Octopus application has been successfully installed!