Bafang Ultra Torque Tab - Delta Voltages Not Updating

Tried several times to change delta voltages settings on the torque tab for a Bafang Ultra with the Android app but they did not seem to write to the controller. Got the message that the torque settings were updated. When the torque settings were subsequently read or the app restarted, the old values were indicated. I verified that I could successfully change the delta voltages with a laptop, Bafang programming cable, and the controller program.

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