XPOWER METER CRANK ARM:How to solve the DFU mode? Method 1: Quick Recovery (Recommended) 1.Connect the power meter crank with the charging cable, unplug it after charging for 5 seconds.2.If the LED light goes out, the device has returned to normal. Method 2: Recovery via Firmware Upgrade Power Meter Single-sided(XPOWER) 1.Open the APP → Click … Continue reading xpower meter crank arm:How to solve the DFU mode?