Fitbit sense os

Fitbit sense os DEFAULT

Fitbit owners can download a new update in the coming weeks that will bring new health and smartwatch features to the $230 Versa 3 and the $300 Sense, the company announced Tuesday. The Fitbit OS 5.2 update adds high and low heart-rate notifications to the Versa 3, while Google Assistant now speaks audible responses on both watches.

Fitbit, which is owned by Google, launched two high-end smartwatches in 2020: the Sense, with an ECG app, stress detection and temperature tracking; and the Versa 3, with built-in GPS. Both watches received an update in December to add Google Assistant support and the ability to take quick calls on your wrist.

Here's what else is new in the OS 5.2 update:

  • Blood oxygen tracking will now show up on your wrist alongside the rest of your stats in the Today dashboard. You'll also be able to see your nightly value and range from the last night on the watch.
  • High and low heart-rate notifications come to the Versa 3, the same as the Sense. You can get a notification on the watch and in the app if the Versa detects your heart rate going above or below your set threshold.
  • Google Assistant can now speak responses back to you, like when you set an alarm or tell you sleep metrics.
  • A new clock face switcher lets you swap out watch faces with a long press on the main clock. 
  • Two new goal celebrations are available when you reach your main goal. 
  • Notifications now support Arabic, Hebrew, Hindi and Thai.

Fitbit also announced a Minions-themed Ace 3 fitness tracker for kids. It has themed clock faces and themed activity badges, and will cost $80.

Now playing:Watch this: Fitbit Sense: A puzzle of data from your wrist


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Fitbit's latest OS 5.2.1 update for Versa 3 & Sense breaks more stuff while providing little-to-no bugfixes, as per user reports

It is always exciting to see new software updates, especially the OS ones, for our electronic gadgets including smartwatches. Users of the Fitbit Versa 3 and Sense could have been feeling the same when the Fitbit OS 5.2.1 update arrived on their devices.

However, it seems that their excitement was short lived as the 5.2.1 update appears to be doing more harm than good.


As per multiple reports from the Fitbit community, those who have updated their Versa 3 and Sense to Fitbit OS 5.2.1 are facing multiple problems.

The latest update is causing issues related to sync and battery drain on both trackers whereas some existing bugs have not been fixed as well.

My battery only lasting 18 hrs max, gone from 3 days to this. It’s only worked as it should for about 2months out of 6. My partners has gone to crap too after the update

Since the latest software update unless I shutdown and restart my Sense it keeps “looking”. It will sync after restarting. One problem after another, This device will never work properly during my lifetime.

It is possible that the devices might be taking some time to adjust after the software update. However, this seems highly unlikely as the issues persist after waiting for some time and even troubleshooting the devices.

Since last update
– not all stats are showing daily from health metrics.
– not syncing
– battery flat within 24hrs.
This Sense is turning out to be the biggest expensive load of crap!

This broke my Versa 3. It was virtually brand new and now it’s useless. It just shuts down and reboots itself over and over again. I literally got this thing two weeks ago and it’s trash.


This is inconveniencing users of the Sense and Versa 3 as they feel that the devices in question have become completely useless after the Fitbit OS 5.2.1 update.

Also, users are not at all satisfied with the fact that Fitbit has not provided a proper changelog for the OS update. The changelog simply reads “This release includes bug fixes and improvements”.

This is further adding users’ dilemma as such generic changelogs provide no details about updates. Moreover, even the vendors take their own sweet time to delve into details related to bugfixes and improvements.

I received a Sense firmware update to version a couple of hours ago.

But I don’t find any information about the update anywhere. Anyone knows what is fixed in this firmware version, or if anything is new?


On the other hand, Fitbit community admins are simply providing users with generic troubleshooting steps for their issues.

There have been no acknowledgements for any sync or battery-related problems after the update in question.

Hopefully, Fitbit takes a deeper look into these issues and releases a proper update for the Sense and Versa 3 fixing all or at least most of the problems.


That said, we will keep tracking this for further development and will report back when we get more details.

NOTE: There are more such stories in our Fitbit section and a dedicated tracker for issues plaguing various Fitbit devices so be sure to follow them.

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Fitbit OS 5.0 has been launched for Fitbit Sense and Versa 3. Fitbit's latest software comes with changes in user interface (UI) and navigational updates, but will only be available for the above mentioned smartwatches, for which it was exclusively developed. Fitbit Sense and Fitbit Versa 3 were launched in August and are priced at Rs. 34,999 and Rs. 26,499, respectively. The company's old smartwatches, including the Versa 2, are not eligible for the SDK 5.0 software.

Fitbit OS 5.0 features

Fitbit OS 5.0 is the company's biggest and most impactful smartwatch update since the launch of Fitbit Ionic in 2017, as per Fitbit.

“Fitbit OS 5.0 has been developed exclusively for Versa 3 and Sense, and there are no plans to bring this to older devices. Fitbit OS 5.0 includes UI enhancements and new experiences that are optimized for the new custom display and speaker on Fitbit Sense and Fitbit Versa 3,” stated the company in a blog post.

The latest navigation update in OS 5.0 for Fitbit Sense and Fitbit Versa 3 will let users swipe from left to right to take them a step backwards. Pressing the left side button will take users back to the clock face.

fitbit os 5 new fitbit_os_5_text

Fitbit OS 5.0 comes with Raiju, a new system font that's more space-efficient

The visual design update introduces Raiju, a new system font that's more space-efficient and easier to read. Fitbit says that all the elements – buttons, backgrounds, icons, colors, titles – have received significant visual improvements as well. Fitbit OS 5.0 includes adjustments to the base text size, button size, and tap targets in order to make the device easier to use while running.

Developers will be required to update existing projects, or built new ones to support Fitbit OS 5.0 for Fitbit Sense and Fitbit Versa. The company said that developers cannot build a single app that targets Fitbit OS 4.0 and Fitbit OS 5.0 devices, but they can release different versions for each OS version that will reach the intended devices.

Versa 2, Versa, Versa Lite and Fitbit Ionic will not be receiving the latest update, and will continue to use Fitbit OS 4.

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Further reading: Fitbit, Fitbit Sense, Fitbit Versa 3, Fitbit OS 5.0

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Fitbit Sense Watch Review - WHAT YOU NEED TO KNOW!!!

Fitbit's OS for the Sense and Versa 3 won't come to earlier smartwatches

We hope you weren’t expecting to get Fitbit’s latest smartwatch software on your Versa 2. As 9to5Googlelearned, the Fitbit OS 5.0 platform found on the Sense and Versa 3 won’t be coming to the Versa 2 and earlier smartwatches. It was developed “exclusively” for the new wearables, Fitbit said, and is “optimized” for their new displays and speaker tech.

Developers also can’t distribute a single version of an app optimized for both old and new devices, although they can release different versions that will reach the right users.

OS 5.0 includes a new interface navigation method and an interface with tweaks that take advantage of the higher-resolution screens, such as a new font and improved graphics. It can run older apps, although they’ll have to run in a compatibility mode.

The cutoff isn’t completely surprising given the scale of the update. Even so, it’s not a thrilling prospect if you own an earlier Fitbit smartwatch. Your device’s software might already be somewhat obsolete after just a year — while it’ll work as originally intended, you won’t get a steady stream of new features like you might from Apple, Google (while it waits to acquire Fitbit) or Samsung.

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Os fitbit sense

Fitbit Sense and Fitbit Versa 3 wearables will be getting a new Fitbit OS 5.2 update. New features with the update include Google Assistant support, Hindi character support for notifications, and the ability to swap your clock face without leaving the main screen. Fitbit Sense and Fitbit Versa 3's latest update also brings support for nightly SpO2 (blood oxygen saturation) level tracking for Indian users. Fitbit says that two new goal celebrations will also be made available to all smartwatches with bright and colourful animations.

The company says that Fitbit OS 5.2 will start rolling out to Fitbit Sense and Fitbit Versa 3 users over the next couple of weeks. The new update will bring Hindi character support for all on-device message alerts and notifications. Both Fitbit Sense and Fitbit Versa 3 will get nightly average SpO2 tracking and will offer data from the previous night's sleep. This feature will be rolled out only to Indian users for now.

Fitbit Versa 3 is also getting the ability to personalise high and low heart rate notifications. This feature is already available for Fitbit Sense users, and it essentially helps to better understand heart health. It enables users to receive on-wrist and in-app notifications if their device detects that the heart rate has gone above or below the regular threshold.

There's also a new on-device clock face switcher rolling out with the update and it lets you swap the clock face without leaving the main screen. This can be done by long pressing the clock face for a few seconds to open the Clocks app to choose from a selection of up to five clock faces. As mentioned, the update also brings two new goal celebration animations as well.

Fitbit is rolling a new Snore and Noise Detect feature to a limited number of Premium users. This feature detects when you fall asleep and the microphone on Fitbit Sense or Versa 3 samples sounds every few seconds to monitor snoring and the ambient noise level in the bedroom. This helps users to better understand their sleeping environment with a sound analysis of their sleep. It enables users to discover what might be disrupting their sleep and causing restlessness. This feature will initially be rolled out to users in India, Australia, Canada, France, Germany, Ireland, New Zealand, UK, and US.

Fitbit is also bringing support for Google Assistant and Alexa voice assistance. The latter has been introduced to 10 additional countries in the world. Users from India will have the added capability to receive replies in the Hindi language from the on-device voice assistant.

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Further reading: Fitbit Sense, Fitbit Versa 3, Fitbit, Fitbit OS 5.2

Tasneem AkolawalaEmail Tasneem

Tasneem Akolawala is a Senior Reporter for Gadgets 360. Her reporting expertise encompasses smartphones, wearables, apps, social media, and the overall tech industry. She reports out of Mumbai, and also writes about the ups and downs in the Indian telecom sector. Tasneem can be reached on Twitter at @MuteRiot, and leads, tips, and releases can be sent to [email protected] More

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How to Update Fitbit Sense (and Get New Features)

We’re excited to announce that a firmware update for Sense will be available soon!  Some of you may already have this update available - if you installed it, let us know what you think!


If you don’t see the update yet, that’s expected. Check the Fitbit app in a few days, and you’ll see a message when you can install the update. We expect everyone to receive the update in the coming weeks. We appreciate your patience while we get this update to all of our customers. 


Did you know that we gradually release our updates? We do this to make sure everything is working just right for you. Sometimes we find an issue and it might take a little longer than expected for everyone to get the update. While you might see suggestions on how to “force” an update, we ask that you don’t try any of these workarounds. Most of the time the update won’t be available and you can lose data or encounter other difficulties. The best way to get the update is to be patient and wait for the update banner to appear in the Fitbit app. 



You can find the release notes here.



You can find step-by-step instructions for updating your Sense here.

If you run into difficulty updating please review these troubleshooting tips. 


We’re interested in hearing your feedback on this update! Let us know what you like! If you encounter unexpected behavior during or after your update, please post the details below.


You will also like:

Get ready: exciting new updates for Fitbit Sense and Versa 3 are coming! The latest FitbitOS release is jam packed with new features and updates that make it easier than ever to stay healthy, connected, and motivated—right from your wrist. Fitbit Sense and Versa 3 users can now track SpO2 levels from the Today dashboard on-wrist,¹ plus get access to new clock face switcher functionality, new celebrations, and hear audible responses from Google.² Versa 3 users will also join Sense users in being able to better understand their heart health with high and low heart rate notifications.

Ready to learn more? Let’s dive in.

What’s new with this update?

Oxygen saturation (SPO2) tracking. You can now access your SpO2—the level of oxygen in your blood—from more places. In addition to the SpO2 clock face and within the Health Metrics Dashboard in the Fitbit app, you can now see your nightly average and trends from the past week in the on-wrist Today dashboard. With Premium, your Health Metrics dashboard shows your trends from the past month and personal ranges to help you interpret your data.¹

High and low heart rate notifications. Now Versa 3 users can better understand (or can stay even more informed on) their heart health with high and low heart rate notifications. Versa 3 now offers on-device high and low heart rate notifications. With 24/7 continuous heart rate tracking, Versa 3 can detect and send a notification if your heart rate is outside of your set heart rate thresholds. If you receive a notification, you can also take a survey in the Fitbit app to help you better understand what’s going on.

Hear audible responses from Google. With this latest update you can now get audio responses from Google—if you ask to set an alarm, Google responds with: “Done. Your alarm’s set for tomorrow at 7am.” If you ask Google how you slept, Google responds with: “Since yesterday, you slept a total of 8 hr and 15 mins.” You’ll see replies in text format and with audio responses as well. (Note that the audio response is optional and can be turned off). To learn more about how to set up Google Assistant on your smartwatch, click here.³

Clock face switcher. Changing your clock face from day to night from gym to work or all of the above has never been easier. This new feature lets you swap your clock face without leaving the main screen. Simply press and hold the clock face for a few seconds to open the Clocks app to choose from a selection of your favorite clock faces. 

New celebrations. Stay motivated throughout the day as you crush your health and fitness goals with new on-wrist celebrations that keep you inspired along the way.

Here at Fitbit, we’re always striving to bring you quality experiences that will help you reach your health and wellness goals. So, don’t wait! Discover all this new OS update has to offer today.

¹ Not available in all markets.This feature is not intended to diagnose or treat any medical condition or for any other medical purpose. It is intended to help you manage your well being and keep track of your information. This feature requires more frequent charging.

² Voice assistant availability and features may vary, see

³ Third-party account and app may be required. Compatible smart home devices only. Google and Android are trademarks of Google LLC.

This information is for educational purposes only and is not intended as a substitute for medical diagnosis or treatment. You should not use this information to diagnose or treat a health problem or condition. Always check with your doctor before changing your diet, altering your sleep habits, taking supplements, or starting a new fitness routine.


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