Hi, has anyone experienced recent issues with the All4 app on their Samsung TV? Ours has been broken for a week or so now. Open it up and you get the All4 splash screen with the progress bars at the bottom, but these just cycle round endlessly. Checked that the apps are up to date too. We turn the TV off at the plug every night so it's regularly powercyled (ditto the router). Other apps like iPlayer and YouTube are fine.