TerraMaster Forum

Applicable Version:
For users currently running TOS 6.0.783 successfully.

Update Details
This patch addresses the following issues:
1.Updated the system certificate to fix an issue where TNAS Mobile could not be downloaded in a local network environment.
2.Fixed connection issues with the following VPN service providers:
● NordVPN
● ExpressVPN
● Surfshark
● Proton VPN
● Njalla
● HIDE.ME

How to Install the Patch
1.Download the patch package:
Patch Version: TOS_X642.0_Update_6.0.783_PATCH_20251030
2.Go to TOS > Control Panel > General Settings > System > Update, and click Manual Update.
3.Click Browse, and select the downloaded patch file.
4.Click Apply.
5.After the upgrade is complete, restart the device to activate the changes.

Notes
1.If a proxy is enabled in the TOS system, please ensure the proxy is available; otherwise, abnormalities may occur after the update.
2.After applying this patch, previously created VPN service configurations will become invalid and need to be recreated.

This patch does not solve the problem. The certificate still shows as signature problem. I can't even download a system report.

tc0566 wrote: ↑10 Nov 2025, 01:33

The exception you mentioned is unrelated to this patch.
Since you have contacted the technical support email, please continue to troubleshoot the issue through the technical support email.

It was suggested by one of support people to try this patch. Read this... viewtopic.php?t=6701&start=10

This update solved an issue where from Mobile photo app was not possible to download thumbnails, now it works fine. But after the update and a couple of restart my 424 PRO FAN rpm in AUTO is very high > 1000 rpm even when CPU is almost 0% and CPU temp <40°. I don't know if it is related to the patch or whatever but I discovered the FAN noise after. No idea how to solve.

We sincerely apologize for the inconvenience caused. We will resolve the fan speed issue in the subsequent version.

CursaYang wrote: ↑21 Nov 2025, 18:12 We sincerely apologize for the inconvenience caused. We will resolve the fan speed issue in the subsequent version.

Thank you very much

Hello TerraMaster Team,

since the patch, the HDDs on my NAS systems no longer go into standby mode and stay active all the time.
The behaviour is identical on both my devices, F5-221 and F5-422. For your information, a D5-300C device is also connected to each NAS. Here the HDDs don't go into standby mode too. May be this is the point
Restarting the NAS and / or changing the settings under ‘Hardware & Power’ at ‘Hard Drive Sleep’ for more or less time has not effect.
This problem didn't occur before this patch.
It would be nice to get a workaround or patch for this soon.
Best regards

CursaYang wrote: ↑21 Nov 2025, 18:12 We sincerely apologize for the inconvenience caused. We will resolve the fan speed issue in the subsequent version.

Hi, today after few days over 1000 rpm fixed, the FAN went down automatically to < 800. Really strange, I didn't use the NAS neither manually apply other updates and CPU has the same load. Strange, is there a way to understand what happened, from logs?

Hello, in smart mode, the fan will automatically adjust its speed based on temperature.
You can collect logs to help us analyze. Please generate and download the log report in TOS > Technical Support > Issue Report, then send it to our technical support email ([email protected]). We will analyze it.