Just wanted to say that the link in the user manual dont work, you might want to change it =)
"First download and unzip the deviation-devoXX-x.y.z.zip firmware from
www.deviationtx.com/repository/Deviation-Releases/
where XX is the number of
your Walkera Devo™ transmitter. x.y.z identifies the deviation version number. Normally
you should use the latest one."