Which XBEE PRO 802.15.4 USB ADAPTER is the
REAL
XBEE PRO 802.15.4 USB ADAPTER in the XCTU Update Firmware dialog box Function set list?
The two listed there:
XBEE PRO 802.15.4 USB ADAPTER
and
XBEE PRO 802.15.4-USB ADAPTER
have different choices for Firmware versions