Suunto Ocean update 2.51.28
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@Dimitrios-Kanellopoulos - Is there an updated Suunto Ocean User Guide for the May 2026 software release?
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@GS-111 I would also like to see the updated user guide. What does e.g. dynamic depth graph mean?
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Hi!
I’ve been having a problem since the firmware update.
It updated automatically on its own last week. On Saturday, I went diving, and as I started my first dive, the watch restarted on its own!
After that, a message appeared saying something like “algorithm calculation error” along with a red warning icon—it wasn’t a lockout warning.
I used it on the next dive with the same warning. In the afternoon, I restarted it from the menu, and on Sunday while diving, the red error warning popped up again. The icon looked like this:
It kept giving me readings throughout the dive (deco time, etc.). I think the Tank POD’s battery is low, because the pressure would appear and disappear, and I also noticed that the altitude wasn’t correct—on land, it told me I was at -X meters.
What could have been the problem, and what can I do? Has anything like this ever happened to you?
Thanks!
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@valentoni said in Suunto Ocean update 2.51.28:
and what can I do?
After the dive and crash, sync the watch and send the logs from the app as soon as possible.
https://forum.suunto.com/topic/15153/crash-reports-collection-q1-2026
(Different watches, but the same applies) -
@Squirrel said in Suunto Ocean update 2.51.28:
@valentoni said in Suunto Ocean update 2.51.28:
and what can I do?
After the dive and crash, sync the watch and send the logs from the app as soon as possible.
https://forum.suunto.com/topic/15153/crash-reports-collection-q1-2026
(Different watches, but the same applies)Once I’ve sent the logs, do I need to contact Dimitrios Kanellopoulos?
Thanks!
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@valentoni said in Suunto Ocean update 2.51.28:
Once I’ve sent the logs, do I need to contact Dimitrios Kanellopoulos?
Yes, as per linked post
After that send me a private message with your email or account name used for the Suunto app. Do not share your email here in the forums as a post please. Use the chat function under my profile.
https://forum.suunto.com/user/dimitrios-kanellopoulos
⋮Blue circle menu on the right
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Hi, after the latest update The climb guidance doesn’t work anymore during navigation. Does anyone have or observed the same issue?
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@ltsss
Same here
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Having tested more with a heart rate strap from another brand, I think the problem is that the update changed how accessories connect to the watch, and now they don’t reconnect after they lost connection. Before they would reconnect. This is quite a significant bug/issue that one would hope for a patch to solve.
The Suunto straps seems to have a tendency to have random interruptions and then it doesn’t reconnect. With the other brand, I’ve only had this issue when leaving the watch on my bike and going out of range and then it’s doesn’t reconnect.
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Today I had first dives after software update and POD is no longer working and cannot be found (POD has 20-30 dives).
Is it just coincident and PODs battery just died or anyone else have the same issue?Wonder what is warranty procedure to test POD and replace battery? Since my region is not suunto friendly (no official repair centers), first need to rule out software problem, so I would not have to send back and forth working pod.
ps. is there warranty for battery at all?
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Can someone with latest firmware confirm that POD is still recognized? Suunto service tells me, that my POD was instantly recognized without an issue, while I could not, even with hard watch reset. I need to rule out firmware bug (only change that was updated between dives).
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Climb guidance issues with Suunto OCEAN after 2.51.28 update
Hi there, I have a Suunto OCEAN for about 1,5 years and everything worked pretty well, but after the 2.51.28 update I’ve noticed an issue with climbing assistance.
Just after this update, during a run I noticed that the climbing guidance does not work anymore. The watch screen just shows the climbing profile but in grey (no more colors) and the zoom between waypoints to see the next climb can be shown. It does not work on every activity that uses this feature : Run, trekking, hiking… (See photos)
I tried (multiple times) to turn off my watch, reinitialise, disconnect and reconnect it to my phone, discard and reinstall the maps but nothing improved the bug.
I have contacted the Suunto support and sent my watch in réparation, they replaced my watch but nothing changed after the configuration. So I sent it back and after 3 weeks in réparation they can be able to repair this bug and just send me back my watch and say that it can be a software issue (that I supposed at first) that their team is working on.
Does anyone have the same issues ? What can I do ?
Thanks !
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@gregB it is not a problem with the watch itself, as it happens to every watch with every firmware at the moment. Should be fixed with a backend or app update.
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@isazi
Hi, I search in the support forum but can’t find a topic for this issues.
It is not working in every Suunto ? -
@gregB yes it seems broken since few weeks
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@isazi
Thanks for your respons !
Hop it will be fixe soon. -
@gregB I just heard that this has been fixed with the last App update (that may or may not have been released yet, probably not considering you have the issue)
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