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Wait for 30-60 seconds and the TV will update and it will be connected to the guest network.
Setting up a brand-new Roku TV
Select English
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Choose your network, connect to Fairfield guest
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Follow steps 4-c to 4-e mentioned in the article above(click here)
Sign in with a Roku account if you have one or create a general account for setup
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Enter your email address, and then you will receive an email to activate your device
Set up your device and add the applications that you want to be installed on the TV.
TV will recognize the changes and start updating as per your configurations.