just received new ultra light 249g: can't seem to get going: message RC not connected to mobile de...

Is it a problem about SDK?

I down load the software, however,1st scree reads N/A RC not connected to mobile de...

read letters on top right and bottom middle: I touch on the 3 dots on right top, tap on control : Flight mode all grey, units can change to imperial, etc.

Yes, I believe I may have down loaded the software wrong...can you help me install the correct software.  thanks.

Plus, I wasn't able to complete setup, that is, it stoped when entering serial number 1SZSH8N5T20CKT

I just learned the controller has to be charged too:  doing that now..

got it fixed by charging the controller: thanks