It’s not that I don’t care about security but I use old kernels locally, and with a small arm device I don’t expect them to run android apps, but they’re also o

It’s not that I don’t care about security but I use old kernels locally, and with a small arm device I don’t expect them to run android apps, but they’re also old devices so I understand why that matters for new ones, and if you use it as a phone it would be disastrous. Since it’s intranet with a secure router it protects my insecure devices.