I received my two relays in the mail yesterday, and left them charging overnight for updates - however one relay updated (98) but the other did not (92). Is there a reason for this?
I moved to over to the #solve:problems category since it was not related to the topic it was posted under.
The very same thing happened with my two Relays when first acquired. I simply left the one that didn’t update on overnight a second time and it updated. You might try that before engaging in more involved troubleshooting.
To directly answer your question, there is no reason I’m aware of only one should update but the above was my experience.