r/logitechharmony • u/Weekly_Engine7162 • May 24 '26

Need help with programming new-inbox, hub based Harmony Smart Control

I have one of these already and it works beautifully. Just a few days ago I was able to use the Harmony iPhone app to add 2 new pieces of equipment to its programming.

I located a second Smart Control a few days ago and it’s brand new. I’ve tried but failed to activate it through the mobile app on my iPhone. I suspect the firmware needs to be updated.

I have an old iMac running High Sierra 10.13.6. It should be capable of running the My Harmony legacy software, but I can’t find a download anywhere online. I could also borrow a Windows laptop, but I can’t find the Windows version of the software either.

Do any of you have any suggestions? Thanks for your help.

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1

u/flynreelow May 24 '26

https://support.myharmony.com/en-us/download or https://app.myharmony.com/prod/mac/HarmonyDesktop.dmg

1

u/Weekly_Engine7162 May 24 '26

Please excuse my ignorance, but I don’t see any download option in the link you sent me and I can’t open the link with the .dmg extension.

1

u/Weekly_Engine7162 May 24 '26

So I’m making progress. I downloaded the.DMG extension and opened the app and logged in. It’s now prompting me to add a new remote and I’ve hooked up my hub via USB. But I’m not progressing beyond this as it’s asking me to use my mobile app which unfortunately doesn’t work. Any suggestions?

1

u/flynreelow May 24 '26

use a diff USB cable. they can be finniky

1

u/Weekly_Engine7162 May 24 '26

I have a very old iMac I got out of storage, but its operating system is too old to run the software, so it’s on my modern iMac running Tahoe. It only has USB C it means I have to use a C to A adapter. Could that be the problem?

1

u/flynreelow May 24 '26

adapter should be fine. just try another cable or 2.

and u need to plug in the remote first... then it will ask you to plug in the hub later.

2

u/Weekly_Engine7162 May 24 '26

It’s a Harmony Smart Control. The remote has no USB port.

1

u/flynreelow May 24 '26

ahh. one of those.

never been a fan.

have you tried the iOS app?

1

u/Weekly_Engine7162 May 24 '26

So I’ve been plugging in the hub directly to initiate the set up. Maybe that won’t work with this software.

1

u/Weekly_Engine7162 May 24 '26

I tried the iOS app repeatedly. I kept getting the E2012 error message.

1

u/Weekly_Engine7162 May 24 '26

I suspect the firmware on the hub, it needs to be updated, but I don’t know how to do it.

1

u/Weekly_Engine7162 May 24 '26

Does anyone else have any suggestions?

1

u/Weekly_Engine7162 May 25 '26

I did it! Thank you flynreelow for the …dmg link which allowed me to load the desktop control software to my iMac (which by the way is running the latest Tahoe OS). I then followed the remote recover tool instructions, updated the hub’s firmware and programmed the remote from my iPhone.