You've referred to TiVo & V6 boxes, and the two are different beasts.
A V6 needs connecting to your homehub to allow internet connectivity, and the TV Control app is a potentially useful interim measure.
A TiVo has no such requirement and the TV Control "remote app" will only work if the box is connected by Ethernet. If not, there's a row of buttons on the front middle that provide you with at least the basic controls.
You can view the 2 boxes here if you're unsure which one's which.
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