steps
what you'll need: USB-C thumb drive (FAT32), identical to all RR/R2 fixtures
1See Rainbow 2 (R2) how_to_steps, process is identical for all R2 lengths
Gotcha2ft R2 (Q25R2), 4ft R2 (Q50R2), and 8ft R2 (Q100R2) all share one firmware image GotchaBoot Loader v1.0 required if updating from 0.8b or earlier