For E220 Indoor 2K PTZ and C120 Indoor 2K Fixed Cameras

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For owners of the E220 PTZ Indoor 2K and the C120 Indoor 2K Fixed cameras…

Eufy has finally updated these to be Bionic Mind AI capable, meaning they now inherit the detections and “AI” from your Homebase 3 if you have one and connect these cameras to it (facial recognition, etc).

I’ve seen a few people say that all went well with the update, but days later they go offline and refuse to come back online. This is a thing and I have experienced it as well.

The anecdotal fix that I personally found is to factory reset them either ahead of time or after they get the update. I reset a bunch of mine when the first 2 got updated and when the rest updated, they were fine. The first 2 that updated on their own went offline about 2 weeks afterwards and would not come back online or would come back and go off again until I factory reset them. Now they’re all working splendidly.

To factory reset these cameras you’ll remove from the app, then hold the sync button until you hear TWO beeps. Then re-add to the app. If you’re not hearing TWO beeps, you haven’t held the sync button long enough or there’s an issue with the camera, you can always power cycle it just in case and try again.

You may want to pre-emptively copy the S/N through the app or write it down, as some people have said they can’t re-add through QR code for some reason.

Hope this helps a few folks!

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Update - 4/8/2025

I’ve been testing the new FW for a few days. Firmware 2.3.1.2 DOES NOT fix the issue. There’s been a Eufy app update, but this does nothing for this issue, this is a firmware problem. The cameras still eventually go offline and will not come back online unless you remove them from the app, factory reset them and re-add them to the app.

If you inspect the camera after it goes offline, you’ll note that there’s a fast blinking blue light. Once this happens, no amount of power cycling the device will get it back online.

My recommendation for now is to NOT connect these to the BionicMind AI until the issue is found and fixed. Cameras not connected to the HB3 Biomind AI seem to be working, for now. I need to do more testing on 2.3.1.2 without the BioMind connection.

Will be back to update when a new FW comes and to let you know if not connecting to BioMind is a valid workaround.

Initial Post:

Hey all, I’m back with an update after extensive testing. I did this by having a segregated network. I put several cameras on one and several on another. I simulated a network disconnect from one (10 days), and left the other alone.
These cameras are connected to the Homebase 3. I have not tested them connected to the router alone.

The cameras on the good/stable connection worked until I disrupted them. The cameras on the disconnected network disconnected and could not/would not reconnect. I then took the stable connection down 10 days later and those could not/would not reconnect as well.

The hypothesis therefore, is that these affected cameras will likely work fine as long as their connection is working fine but once they disconnect for ANY reason, that is when they will go offline. So even if your network looks great and everything looks great, there are times when 2.4 devices temporarily drop and come back and you’d never know. That’s probably what happens when these go offline and won’t come back.

That being said I want to make it clear that the factory reset is NOT a fix, just a workaround.

I believe I’ve read in several places that Eufy has promised a software update to fix. I’m not a software engineer but this is feeling/seeming more like a firmware issue, so I think the cameras may need another firmware update to get fixed. I don’t think an app software update will stop the cameras from doing whatever they are doing when they get disconnected and won’t reconnect.

The affected cameras (if you have status LED enabled) has a fast blinking blue light once disconnected and nothing I did would get them back online.

I tried:

  1. 60 second power cycle - this would just have the camera power back up with the same fast blinking blue LED.

  2. Deleting and re-adding, without a reset or using sync button, but there’s no camera detected.

  3. Re-adding and using the sync button. Camera is detected but it absolutely cannot find/locate Wi-fi.

  4. Factory Resetting (must hold, hear beep, keep holding until you hear 2 beeps). This is the only point at which the camera could locate Wi-Fi networks.

Take care folks!

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I have both of these cameras on 2.3.1 and they do indeed do the AI face recognition via the HomeBase 3. I had to re add them once to the homebase after the notorious upgrade and they have been fine every since

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Exactly my experiences with these cameras. I have a few of each of these which are all affected (each at random time, sometimes more than one at once). But I also have one S350 which isn’t affected by this at all. Once in a while they just disconnect and only full factory reset lets me reconnect them (no need to remove from the app first, it will be replaced automatically when connected again). I’ve also tried all kinds of settings - it affects both the ones connected to HB3 directly and through my home WiFi network (multi-bridge WiFi setting). Doing factory reset is highly annoying, as it requires whole setup from scratch. I can’t wait for firmware upgrade to fix it - none of them were affected till latest firmware upgrade for me.

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