If the device is "stuck on bootup" after a v1.5.0.1 update, you may need to re-upload the original tune file from a PC. Peripheral Settings : In manual installations, the VCP (Virtual COM Port) driver
hardware architectures that use Serial Communication Interface (SCI) peripherals. Renesas Electronics Topic Overview: sci-usb-2-serial-v1.5.0.1 sci-usb-2-serial-v1.5.0.1