Amazfit Stratos Continuous Heart Rate Isn t Continuously
- #1
There is an ongoing thread about the new 2.3.7.0 Stratos firmware and whether its OK to update.
Can I ask if anyone who has updated has found that Continuous heart rate monitoring is now broken - symptoms are that resting heart rate is reported as '--', there are gaps in the data, and when you look at the back of the watch the heart rate LEDs only work in brief burst of about 10 seconds, the go off for a minute or two (completely different to continuous previous 2.3.5.0 behaviour)
Hopefully the images from the Amazfit app show the issue better than I can say in writing..
Heart rate images from 10th December (2.3.5.0) and 13th December (after update to 2.3.7.0) are in the attachements below this post.
- #2
However, your graphs clearly show that in the latest release, continuous HRM is even less continuous. Definitely has unusual gaps.
With the oldest FW, mine looks like the first one you've posted.
Sent from my XT1635-02 using Tapatalk ---------- Post added at 09:56 AM ---------- Previous post was at 09:50 AM ----------
Sent from my XT1635-02 using Tapatalk
- #3
2. Obviously, continuous doesn't mean it measures heartbeat every second, first it needs about 15s to get just one reading, and then keeping the sensor on all the time would kill battery. IRIIC it reads every 1 or 2 minutes;
3. No resting rate: first check that your profile is correctly filled, then you must use the watch at night, while sleeping. If both are OK then you need to factory reset: first try with restoring old data (it usually doesn't fix anything), then without restoring old data after pairing again.
- #4
2. Obviously, continuous doesn't mean it measures heartbeat every second, first it needs about 15s to get just one reading, and then keeping the sensor on all the time would kill battery. IRIIC it reads every 1 or 2 minutes;
3. No resting rate: first check that your profile is correctly filled, then you must use the watch at night, while sleeping. If both are OK then you need to factory reset: first try with restoring old data (it usually doesn't fix anything), then without restoring old data after pairing again.
You are incorrect about a 47 BPM bug, I see min 43 BPM on December 14th, Min 43 BPM on December 15th, and Min 42 BPM today as I write this post. I saw readings below 47 before with 2.3.5.0. Maybe this broke in 2.3.6.0 / 1 which I did not use?
Secondly, continuous HR with 2.3.5.0 meant LEDs flashing on all the time. Almost every video I have seen on Youtube with Stratos reviews show LEDs on back always flashing.
This is how things always worked since September with 2.3.5.0 and it did not kill battery, only 2% overnight, or 5% during the day if no GPS or Bluetooth battery. It was always VERY accurate too, resting always match my Wahoo Tickr within 1 or 2 beats as you can see from Wahoo Tickr screenshot vs December 10th screenshot in 1st post with 2.3.5.0
See this Youtube video - everytime he turns over the watch, LEDs are always flashing and I can see from this setting he used Continuous HR to on.
https://www.youtube.com/watch?v=LsxKihwRNV4
In my view always on LED the correct behavior and exactly as Fitbit Surge or Garmin Fenix 5 Plus which also have 24/7 LEDs in continuous mode. As a general point, Fitbit Surge and Garmin Fenix offer 5 to 7 day battery with proper continuous HR and Stratos with 2.3.5.0 also did this fine.
I've spent the last 3 days resetting / rebooting / repairing and this simply is not a fix - sorry! 2.3.7.0 is broken, at least on my watch and cannot be fixed my end. See HR track from yesterday (15th December)
As a very experienced user of this device with over 660 miles logged, I know how it worked since September 2018 with 2.3.5.0 and how it doesn't work now - this isn't something I am doing wrong.....
- #5
As a very experienced user of this device with over 660 miles logged, I know how it worked since September 2018 with 2.3.5.0 and how it doesn't work now - this isn't something I am doing wrong.....
Sorry, but there is not much to be "very experienced" about. Regardless how many miles you have logged so far. With that logic I'm about double experienced than you
Anyway, I agree that they're messing up with FW, fixing one bug, making two more. Instead of wasting your energy here on xda forum to prove us something, turn to Amazfit instead. Open the ticket and prove to them. It's good for all of us. Actually, all of us should open the ticket for every bug, every problem we find.
Sent from my XT1635-02 using Tapatalk
- #6
Sorry, but there is not much to be "very experienced" about. Regardless how many miles you have logged so far. With that logic I'm about double experienced than youAnyway, I agree that they're messing up with FW, fixing one bug, making two more. Instead of wasting your energy here on xda forum to prove us something, turn to Amazfit instead. Open the ticket and prove to them. It's good for all of us. Actually, all of us should open the ticket for every bug, every problem we find.
View attachment 4666883
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The reason I put my usage is that it's a bit frustrating people saying reboot or repair - this is really like a IT support cliche telling you to turn it on and off again! I know how this works and its just wasting time with a firmware defect.
I have reported all the bugs I have found in Stratos since September, including uploading log reports from the phone directly from WIFI, filling reports with Amazfit and have had no response ever from them. Just an auto-reply - never any human follow up.
- #7
I have reported all the bugs I have found in Stratos since September, including uploading log reports from the phone directly from WIFI, filling reports with Amazfit and have had no response ever from them. Just an auto-reply - never any human follow up.
That's odd. I have couple of threads with them (more than 10
). Sometimes they are not very responsive but in couple of days, they usually answer. Of course, first couple of answers are generic but if you are persistent you may get trough even to the dev team. You are using link below, right?
https://support.amazfit.com/hc/en-us
- #8
That's odd. I have couple of threads with them (more than 10You are using link below, right?
https://support.amazfit.com/hc/en-us
Hi, yes that is link - this is what I get back - always this, nothing more...
Dear cumbrianrunner
Thank you for contacting us. This is an automated response confirming the receipt of your request, and it is being reviewed by our support team.
Please note, Amazfit Support is available Monday through Friday, 9:00 a.m. - 4:30 p.m. PT. All support inquiries submitted outside of normal operating hours will require additional time for a response.
I think that link may be for people in the USA only - I am in England, and one of the questions they ask is about sales channels. I suspect non-US reponses to sales channel questions get filed in the bin too be honest
- #10
- #11
Well, try with US channel then
I may do that
Well I have another bug - I am about to go out for a run, my usual stretching exercises puts my HR at about 60-65 BPM. Stratos with 2.3.7.0 is going nuts with continuous readings - spiking at 105 BPM, drop back to 78 BPM is next read cycle, then back to 96 BPM on other cycle.
Wahoo Tickr and Fitbit Surge have me around 60-65 BPM which is correct.
I could report this, but I suspect this would go into the 'too hard to fix' bin...! But will try pretending I am in the USA today
- #12
- #13
You are incorrect about a 47 BPM bug, I see min 43 BPM on December 14th, Min 43 BPM on December 15th, and Min 42 BPM today as I write this post. I saw readings below 47 before with 2.3.5.0. Maybe this broke in 2.3.6.0 / 1 which I did not use?Secondly, continuous HR with 2.3.5.0 meant LEDs flashing on all the time. Almost every video I have seen on Youtube with Stratos reviews show LEDs on back always flashing.
[...]
So maybe 2.3.7.0 fixed the low HR minimum (I am not sure because I do not use this feature normally, but I know it existed for 2.3.6.0/1)... I have just enabled continuous HR for the last few hours, and I am sure the green leds aren't on always. I also got the graph showing the resting rate.
- #15
HiCan I ask if anyone who has updated has found that Continuous heart rate monitoring is now broken - symptoms are that resting heart rate is reported as '--', there are gaps in the data, and when you look at the back of the watch the heart rate LEDs only work in brief burst of about 10 seconds, the go off for a minute or two (completely different to continuous previous 2.3.5.0 behaviour).
The same crap has been going on with the Pace for the past year. I was in touch with support for months and got a constant reply that it'll be fixed on the next ROM. This reply was repeated for months, until the warranty ran out, with me supplying the developers with data, screenshots and uploads directly from the watch. I chucked mine and put it down to buying cheap ****, and useless support. A friend who still has patience tells me that they still haven't fixed the HR issue.
Have fun with support, I hope you have better luck with the Stratos.
Similar threads
Source: https://forum.xda-developers.com/t/continuous-heart-rate-seems-broken-with-new-2-3-7-0-stratos-firmware.3879147/
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