I have the same bike. I just hold the side button for a second and it comes on. Maybe check all the connections at the display???? Maybe a bad switch out of the factory?
This trail is my most local trail system. It rained all day Saturday, so there is a carpet of dry leaves on top of a bunch of wet leaves. Staying upright was a bit of challenge.
I would go into the bluetooth settings on the iPhone, and do a "forget this device" for the bike controller, and then start the whole pairing process over again.
Use internet AI to help you make a decision about derestricting.
Go here to Talk to Transformer and ask if "Should I de-restrict my e-bike?"
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Are you sure that 34.9 isn't the seat CLAMP diameter? I think that is the standard clamp size for frames with 31.6 seat tube diameters.
And, I have a FOX Transfer on my acoustic bike, very nice, very reliable. Almost two years on it, no service yet and it still works flawlessly. I have it...