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Onelink Home by First Alert

Download the Onelink Home app to install, pair, and monitor your Onelink by First Alert connected home devices.

Now featuring the Onelink Safe & Sound, the 3-in-1 device that combines a hardwired smart smoke and carbon monoxide alarm with a premium speaker and embedded Amazon Alexa voice assistant. With safety notifications in the event of a smoke or CO emergency, plus premium audio and hands-free voice commands, the Safe & Sound adds safety, entertainment, and convenience to any home.

Category : Lifestyle

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Reviews (30)

It'. M. Mar 19, 2022     

The only reason I give it 2 stars is because I'm using the app with no problem. However, it will not set up with an android phone. I had to use my wife's iPhone to set them up. I have 11 onelink safe and sounds, one in every room. Once everything was set up I signed into the android app and all my smokes were there. It connected to my s21 ultra but couldn't find my list of wifi. I tried everything and opened tcp port 8883 but nothing. The app sucks, but I'm glad I can now use it. I ❤️ the smokes

Tri. C. Feb 2, 2022     

Update: First Alert fixed the issues. App could update alarm status more frequently however. My fire alarms went off with a false alarm, but the app wouldn't accept the command when we hit the silence button, meanwhile everything in the house is going nuts, and we have to get a broom and hit all the silence buttons.....just figured out you have to hold the silence button, but they don't say that in the app. What a mess. Also, wouldnt send to the alarm until I disconnected from wifi.

Ger. S. Jul 23, 2019     

So far not bad. Pros & cons. The speakers are not bad if not up to max. I had a little trouble setting it up - did not click the Alexa link when it appeared. Ended up resetting and starting over - got to the Alexa link and set that up then continued and it worked. I set up the downstairs one first and all was well. It kept beeping every 60 seconds because I didn't have it mounted yet. Then went upstairs and set the second one up. Found a problem with the app - the list of announcement-no upstairs

Eri. A. Dec 17, 2018     

The app seems incomplete. It asks you to name your home, then name the room of installation twice. It's very confusing what product to choose upon setup. I have a hardwired smart smoke and CO detector which I believe is the hard wired smoke setup and not the smart setup. On top of that, the app hangs up "connecting to clover" after the device is discovered by the app. So far I haven't actually gotten the app paired with the device. It's a fail so far until I hear back from support.

KEV. W. Oct 19, 2018     

So far I can honestly say this is the worst app for a device I have ever installed. I'm running Androids Oreo operating system and I completed installation successfully. System is constantly dropping connection with WiFi and location is by router. I thought user menu was okay and my credentials are not recognized when trying to sync up with Alexa. This is junk and Im buying a nest this weekend. I wished this device would have worked better. I liked it's aesthetics better but functionality is more important than anything. First Alert, go back to the drawing board again!

Mik. D. Jan 15, 2021     

If it were not the only supported app, I would never use it. The product is not good and the user friendliness of the product and app rely on everything going perfect with no hiccups. I spoke with tech support and they just drilled right into the network without asking. This product is a serious security risk, as any breach of their network means that breach can reach your network.

Ken. B. S. Aug 31, 2019     

No trouble setting up or connecting my 2 "Onelink Smoke Detector and Carbon Monoxide Detector | Battery Powered| First Alert". However does not show up in devices under Alexa in case you want to create a routine. I can use my voice to tell "Alexa to ask Onelink what the status of my home is?" and it answers just fine. But, I cannot set it up to turn on lights (so we can see when it's dark), or flash signal lights for my deaf wife. A bit disappointing, not a very "Smart" App. Looking forward to when OneLink and Amazon add these features and stop excluding deaf people from having a safe home.

Vic. M. Apr 11, 2022     

I've managed to make it work only using old iPhone 5S iOS 12.5.5. iPhone 13 Pro iOS 15.4.1 and Pixel 4 Android 12 - no luck. You must fire your software engineers!!! Your app just doesn't work as it should! How it's possible to sell something that is not good tested?!

Ira. F. Aug 2, 2020     

"Something came up. The application has cancelled the request to choose a device." I paid over $250 for a smoke detector! I must be NUTS! It won't connect to my phone or WiFi. I've rebooted my router over 10 times. I've removed this thing from the ceiling and reinstalled it over 10 times. I've uninstalled and reinstalled the app over 10 times. Rebooted the phone over 10 times. I go through the set up process over and over and over again. Each time, I start at the beginning with the red +, The add Product/Choose your OneLink product. I choose Safe & Sound. I name my home - Home, I name the room - Dining Room, I select Alarm announcement - Dining Room. I push Continue. I then hit continue through the installation guide. Ladder, Screwdriver, 2.4GHz WiFi. Continue. Installation. Continue. Mount your alarm. Continue. Activate Accessories. Looking for accessories. We found 1 accesories. Onelink Safe Sound 93B4. I push that. It then asks for device to use with Onelink. Networks pop up along with Onelink 94B3. There's a big difference between a network and a device, but customer support says my network is the device. Strange. So I choose my network. Regardless of weather I choose the network or the actual device, I get the same message: "Something came up. The application has cancelled the request to choose a device." Customer support doesn't know what that means. They tell me that I should get a message of what the problem is. But no. I get "Something came up. The application has cancelled the request to choose a device."

Ste. M. Dec 27, 2021     

Horrible connection issues. I added the first alarm and it worked fine for 2 months. I went to add 2 more on the other floors and the first one no longer shows up. I tried reset, nothing. I cant get the bluetooth to show up on the app to add. Horrible app.

Chr. D. Aug 18, 2021     

I just replaced all the alarms in my house with First Alert alarms including 1 Onelink alarm. Everything worked on the first day when I tested it. Now 3 weeks later the alarm does not work and I get NO notifications when one of the other alarms goes off. Safty when it comes to Fire is not something to mess with yet F. A. feels that this quality is ok. I should have listened to my instincts when I read the other reviews and stayed away. I called support and they said it is functioning as designed

Zac. W. Nov 23, 2020     

It works... but quite poorly. Definitely was not clear to hold the silence alarm button. Then when you do you get a spinning onelink wheel as it won't connect to the alarm. After 30 seconds if it doesn't turn off... kill the app and try again Bought the thing for alerts while not home? Forget it alerts don't even come while in your own house listening to the alarm for 5 minutes as the silence button doesn't work . Edit. Happened again. Ultimately had to rip it out of my ceiling.

Chr. G. Oct 15, 2019     

Falls short and does not deliver. Navigation is not clear and the functions that are there do not perform as expected. The device does not support multi-room on Alexa. When Alexa is on the device overrides other Alexa devices, when disabled, it glows red. Could be so much better. Updated, stil junk.

Ric. T. Aug 25, 2020     

Not sure if anything changed on its side but I bought this firealarm a year ago and had it all setup. Now that I upgraded my wifi it won't connect. I reset the onelink and made sure the 2g wifi is available and working. Cant connect any more. I submitted a ticket in support and have not received any response back. This sucks

Kyl. K. Jan 4, 2020     

Installed hardware and configured with this app on 1/4/2020 - went smoothly with no issues (I do have a tech background). App is modern and well designed, no stability issues on Android 10. Only minor hiccup was like other users, I skipped the Amazon account setup prompt during config, it took me a few minutes to realize it was under Menu -> Accounts. Suggest UI tweak -> when no Amz acct setup, put small "account" button on device sensor screen. Will modify review if anything negative happens.

Jef. D. Jun 22, 2019     

Terrible. I am a Smart Home enthusiast and this is the only purchase that I regret. Communication between device and app is awful. Having to reset and reconfigure so frequently makes this a dumb device....not a smart device. I am using an android device and literally have to resetup the device everytime I want to use it for something. Then the setup doesn't work, so I have to start from zero everytime...Extereme disappointment, I wish I could have spent my couple hundred dollars on something else

Sus. R. Mar 29, 2019     

UPDATE--Since I received no response to my email, I called the company this evening. The guy I spoke to walked me thru everything and now both detectors are hooked up and working fine---- This thing sucks. I've been trying over an hour to connect the app on my phone to the detector and it keeps telling me I failed, try again. I then read other reviews and saw it wont connect thru a galaxy note 9. I bought the 2 pack which is now a total waste of money. I will be returning them

Col. B. Jun 19, 2021     

One of the worst events for an alarm is a False event. Onelink App doesn't log these events and cannot tell you if the alarm went off as a result of its own event, or a neighboring alarm sound. These aren't smart alarms, they're WiFi connected 'simple' alarms. The app offers no value above the alarm itself.

Car. M. Aug 16, 2020     

Bad device, worse app. Can't control the device at all from the app on my android device. Can't even control Alexa from the device. Their customer service is below average and they have no fixes for anything; except to send you a new device.

Rya. O. May 5, 2019     

How many 1 star reviews are needed before Onelink realizes they have a problem????? App will not pair with device. It asks you if you dont see your device click here. When you do that, it asks you to try again but doesnt offer any solutions. Device is flashing blue, app is searching for new devices and.....nothing. Going on 2 hrs. now at trying to make this work.

Eri. D. Dec 23, 2018     

I will give it 5 stars even though I cannot use the app. I had hoped the previous non speaker version would have been updated to also work on Android. So I guess I can only use the previous hardwired model on my spouses phone or Alexa. I had hoped I'd be able to see it in the app after setting up on iPhone. The other half of the world using Android don't matter.

Chr. A. May 27, 2020     

Do not buy this product. 1) This does not pair well with Android. This has been a known issue for 2 years. 2) This device cannot be grouped. This means that it cannot play whole home audio or voice control other hardware. Thi These issues are not well known at the time of purchase. Save the frustration and return it.

Reg. W. Feb 4, 2019     

This app sucks. It will not connect onelink safe and sound to Amazon cloud. Must have tried 25 times with the same result. I get a failed to verify cloud connection error. Link at bottom says connect manual. Goes to the screen to connect but it doesnt work.

mcs. Jul 5, 2021     

Not "smart", actually pretty dumb! I have had this 'smart' device go off multiple times. My area can experience high humidity. So I have been woken up in the middle of the night multiple times. All support can say is " keep it away from your bathroom ". IT IS!! It cannot differentiate smoke versus water particles? My regular old dumb $20 smoke detector has never done this in 20 years. Imagine being away from home, and the alarm starts, my poor neighbours. Don't waste your $$$

Har. Sep 18, 2021     

I think it's simple but effective at this point. Just wondering why something as simple as creating your own room name for announcements or a "CUSTOM" option would be great! Right now we have to chose your choices like there's a fire in the child's room when infact they are 16-18 & don't want to be called a child & surely aren't a guest in my home so you get my point let us chose custom & be able to name it what we want. Thanks! My rating would vastly increase if this was to happen.

Jun. D. Sep 25, 2019     

Flashing green lights! I noticed my onelink sight & sound smoke/carbon monoxide detectors are flashing green! I called Tech Support & I'm told I have to go up this connect it take out the battery test it put the battery in test it! Supposedly something to do with the storage! What the hell! I spent all that money for these & now I'm told I have to do this I've had back surgery I can't be going up-and-down the ladder!I'm ready to take all 4 of them off & return to Costco this is ridiculous!

K. R. Mar 19, 2019     

Problem with the February 2019 release has been corrected! Yay! In general a more consistent and easy-to-use UI could do a lot for this app.

Jak. M. Sep 1, 2019     

The app is very slow. I have 4 Onlink devices and it would be nice if I could play the same music stream on all devices at once.

Sim. W. Sep 19, 2019     

I bought a Onelink smoke detector and a Onelink smart smoke/CO detector; after several email exchanges with First Alert it turns out I can't interconnect the two. It seems almost like an act of corporate satire to produce two models branded Onelink that can't be interconnected wirelessly.

꧁Di. S. Dec 30, 2019     

Not reliable. Changing nightlight color doesn't work all the time. It says, couldn't connect to cloud. Mute and Alexa works but not light.