Unlike Direct TV, Dish TV has frequent updates, and there are three ways to update. If you have Dish TV, you must have the system in a position to update or you could be charged a monthly fee of up to $5.
Keep the receiver plugged into a phone line at all times. This will allow updating daily if needed by Dish TV.
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Plug the receiver into the phone line at least every other day or weekly to allow the system to update.
Plug the receiver into a phone line nightly when not in use so that it can update. Use the phone line during the day for calls.