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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Any chance you can open up a Shizuku instance to disable the system launcher? That should cause the TV to automatically boot into your installed launcher instead.
I used aShell to accomplish this on my device.