I have some questions about my EM-406a:
Can I flash it with a new firmware?
Where is the flash procedure described?
Where is the newest firmware file(s)?
Where are the changes relative to old firmwares?
There are significant changes from the version I have?
I purchased it from Sparkfun.
S/N: EM406A0000986 (bottom sticky paper), 960350 (top in antenna)