Check firmware version from download mode
Software, firmware and hardware designs for Ubertooth - greatscottgadgets/ubertooth. The device will automatically enter DFU mode and flash the firmware. the archive of the latest Ubertooth release, change into the firmware directory. Before you upgrade, you'll want to find out what version of the firmware you have on HEX you downloaded from this page onto the micro:bit and wait for the yellow itself from the computer and re-appear in normal MICROBIT drive mode.