To install apps on your watch, open the Galaxy Store app on the connected phone, and then tap the Watch tab to browse watch apps. When you find the app you want, tap it, and then tap Install. It will automatically install on your watch.
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try these steps Switched on your Samsung Galaxy.Navigate to the home screen.Go to Settings.Find and select System option.Click on Language & input.Click on the “Text-to-speech” options, located under the Speech section.Select text-to-speech (TTS) engine that you want to use.
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Have you tried to make sure everything was closed out. Click exit on everything then go into settings and see if it's available. Normally it's grayed out because another app is running
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