I have a BRAVIA 4K AE1 android/google TV.

Since a few weeks I observe the following:

If it’s disconnected from the internet for some time, 1 or 2 weeks maybe, it hides all my installed apps. Enabling internet immediately restores everything for a few days.

I tried installing a custom launcher and set it as default launcher - TV still boots into its system launcher.

Any ideas what else to try?

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