Attached please kindly check the User Manuals for Lite Radio 2 SE.
1. The Frsky and Bayang versions are the old versions. Please refer to Lite Radio 2 SE-User Manual-Old
New released ELRS version supports BETAFPV Configurator which is a utility disigned to simply updating, configuring and tuning the radio controller. Please refer to Lite Radio 2 SE-User Manual-New
2. There is a ticket showing"BETAFPV Configurator Supported" in ELRS version battery bay for you to distinguish the different versions. Check it once you receive the transmitter.