REALLY IMPORTANT!!!! WATCH THIS VIDEO ALL THE WAY THROUGH BEFORE UPGRADING YOUR TERRAMASTER!!! Upgrading from TOS 4 to TOS 5 is not as streamlined and simple as previous updates and features a few unconventional choices in installation. Additionally, ensure that your storage system has a backup in place! Finally, ensure that you make a backup of the system configuration in the control panel! As you cannot reverse the installation easily and could potentially lose your default configuration, users, connected services and more if you do not back up the config.

Terramaster TOS 5 Software Update RELEASED! [ Ссылка ]

Must read before installation!

1. Since the root file system, storage path, application installation location, and startup method of TOS 5.0 are different from those of the previous version, you cannot directly update to TOS 5.0 from the current version, but need to reinstall the system.

Reinstalling the system will theoretically not delete the data on your hard drive, but for safety consideration, please back up your data in advance.

The new TOS 5.0 system is only applicable to the x.86 series of TNAS models (220 series, 221 series, 420 series, 421 series, 422 series, 423 series);
Your current TOS version need to be 4.2.32 or above;

TNAS PC needs to be 5.0.19 or above, otherwise, it may not work properly;

TNAS Mobile needs to be 5.0.1 or above, otherwise, it may not work properly. Note: Currently, TNAS Mobile is only available for iOS, and the Android version will be released soon, please pay attention to our update news.

How to install TOS 5.0?

Download the TOS 5.0 installation package;
Log in to your TOS, go to Control Panel - General Settings - Factory Default, tick “Reset to Factory default” and click “Apply” to clear your system;

Your TNAS will automatically restart and enter the initialization guide page; if you cannot enter the initialization page, please use the TNAS PC to search for your TNAS again, and enter the IP address of your TNAS in the browser address bar;

Select the “Custom” mode during the initialization process, upload the TOS 5.0 installation package, and wait for the installation to complete;

After the system installation is completed, the system will automatically restart; Then, follow the instructions on the page to complete the administrator settings;

After the system is installed, you need to clear the browser cache, otherwise some system pages may not be displayed correctly.

Download links for the installation files and tools can be found at the bottom of this article - [ Ссылка ]

According to Terramaster the new TOS 5 release has been in development for one and half years, includes more than 50 new features, 600 enhancements, comprises 300,000 lines of new code and now, the long-awaited TOS 5.0 is officially released today! Although there are a huge number of improvements under the bonnet, there is also a whole bunch of improvements on the surface too, ranging from improvements in the GUI and responsiveness to new fully featured applications. Here is what you need to know.

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