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Forgot Username or Password Forgot Username or Password If you've forgotten your Mainstream username or password,... How to Upgrade or Change Your Service Plan How to Upgrade or Change Your Service Plan If you are upgrading, downgrading, or changing your... Login Problems Login Problems If you're unable to sign in to your Mainstream account, the steps below will... Refresh the Guide (EPG) on the Mainstream Firestick App   Refresh the Guide (EPG) on the Mainstream Firestick App Every so often, you may notice that... Report a Channel Issue Report a Channel Issue To help us provide the best possible viewing experience, channel issues... Report an App Issue Report an App Issue If you're experiencing a problem with the Mainstream app, we'd like... Use the Proper Sports Category Use the Proper Sports Category For the best possible viewing experience, we strongly recommend...
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