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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