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 and optimization for the previous version:
Bugs fixed
- Fixed the bug that the transmission speed of encrypted shared folders was slow;
- Fixed the bug that some computers could not search for TNAS when directly connected to the computer;
- Fixed the bug that the storage quota displayed in the user settings was incorrect;
- Fixed the bug that had a chance files in some system partitions were incomplete;
- Fixed the bug that the empty directory can still be seen after the guest user is disabled;
- Fixed the bug that the key cannot be exported when the encrypted shared folder key contains special characters;
- Fixed the bug that had a chance to send the same email repeatedly;
- Fixed the bug that the guest user does not have read and write permissions by default;
- Fixed the bug that the 450 series fan control did not work properly;
- Fixed the bug that the app center page loads slowly;
- Changed SMB workgroup to WORKGROUP;
- Changed the working mode of the Intel(R) J3355/J3455 CPU to Performance mode.
- This update is only for TOS 5.1.33 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 5.1.37 (md5:2609e851cf568ed9ba851bfb140b8896)
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 5.1.37, 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