Since the new version of TOS 5.1 system requires more storage space, if your initial system was TOS 4.x and system partition is 2GB, please do not update to this version.
To check the free space of your system partition,
Go to "TOS > Control panel > System Info > Overview", and check free space from the item of "/" .
Release Notes
Applicable models: F2-220, F2-420, F4-220, F4-420, F5-420, F2-221, F2-421, F2-422, F4-221, F4-421, F4-422, F4-223,F5-221, F5-225, F5-421, F5-422, F8-421, F8-422, F2-223, F4-223, F2-423, F4-423, T6-423, T9-423, T12-423,T9-450;
This update includes the following bug fixes for the previous version:
1. Fixed an issue with incorrect media index status display.
2. Fixed an issue with the inability to restore snapshots of encrypted shared folders.
3. Fixed a slow snapshot deletion issue.
4. Fixed an issue in the file manager where multiple file collection cancellation was not possible.
5. Fixed an issue where app message records could not be saved to the message center.
6. Fixed an issue where encrypted USB files could not be viewed normally.
7. Fixed an issue where a hard disk meeting the necessary conditions had a chance of being unable to repair the array.
8. Fixed an issue where rack-mounted products were unable to read hardware information.
9. Fixed an issue where some TV boxes were unable to search for TNAS.
10. Optimized shared folder recycle bin settings during system reinstallation.
Important Notes
- This update is only for TOS 5.1.24 or later versions. If your TOS version does not meet the requirements, please update to TOS 5 by reinstalling TOS.
- The kernel of TOS 5.1 has been updated to 5.15. Since the Linux kernel has removed the Intel Celeron J1800/J1900 GPU drivers from 5.15, the models of this platform no longer support GPU hardware video acceleration. If you are a user of this series of models and need to use GPU hardware video acceleration, do not update TOS 5.1! Models involved: F2-220/F2-420/F4-220/F4-420/F5-420
- Under normal circumstances, the system update will not affect the data in your hard drives, but for your data safety, it is strongly recommended that you back up your data before the update!
Manual update:
1. Download the update package: TOS 5.1.31 (md5:046edf8a8bf7b99d7a87973d8c9583fb)
2. Go to TOS > Control Panel > General Settings > system;
3. Under the "Manual update", upload the update package;
4. Click "Apply";
5. After the system update is complete, you need to refresh your web browser;
6. Your TNAS's IP address may change after the system update, if you are not able to connect to your TNAS with the previous IP, you need to search the new IP again with the TNAC PC client;
TNAS PC:
After updating to TOS 5.1.31, you need to update your current TNAS PC to 5.0.33 or a later version, or you may not able to search your TNAS device.
1. TNAS PC 5.0.33 for Windows OS
2. TNAS PC 5.0.33 for macOS
It is recommended that you uninstall the previous version before installing this version of TNAS PC.
Issue report
If you encounter issues during use, please report to the corresponding TerraMaster official forum, or email your issue description and screenshots to pm(at)terra-master.com