TOS 7.0.1278 (x86) Official Release Update
Posted: 24 Sep 2026, 19:15
Target Users:
Users currently running TOS 7.0.0746 or later versions.
Note:
If your TOS version is TOS 6, please refer to the TOS 7 update instructions first.
Important: This update is only applicable to TOS 7.0.0746 and newer. Users with older versions must first upgrade to 7.0.0746 before applying this update.
Here, we sincerely thank @crisisacting, @Alak, @rfbjr, @apvm, @Nitrokalel, @OttO1916, @DmMc, @ambul, @sianderson, @mnewland, @kmatas, @Metrogeek, @nenominal and others for your sharing and feedback. Your support helped us quickly identify and fix multiple issues.
Update Notes
Bug Fixes:
1. Fixed the issue where the CPU temperature alarm policy was not properly adapted for certain models.
2. Fixed the issue where the message center process occasionally used excessive memory.
3. Fixed the issue where deleting the home directory gave no error prompt after enabling the safe box.
4. Fixed the issue where network connectivity checks were requested too frequently.
5. Fixed the issue where the entire folder was skipped without recursively comparing subfiles when uploading, copying, or moving a folder to a directory containing a folder with the same name.
6. Fixed the issue where subfolders in the “Select Folder” dialog of some features were not sorted by name.
7. Fixed the issue where SMB login for a newly created system user might fail after joining an LDAP domain.
8. Fixed the issue where an app was not immediately displayed in the “Installed” list after installation completed.
9. Fixed the issue where app user permissions were not saved after switching to the user page when creating a shared folder.
10. Fixed the issue where selecting all from the table header could not check the admin user group when editing app permissions.
11. Fixed the issue where an incorrect message was displayed when enabling SSH in a Traditional Chinese environment.
12. Fixed the issue where some option colors did not follow the theme color when creating a VPN.
13. Fixed the issue where a “url:null” prompt appeared when closing some dialogs.
14. Fixed various other known issues.
Important Information:
1.Updating the system theoretically will not affect the data on your hard drives, but for safety, please make sure to back up your data in advance.
2.Before updating, ensure that your primary volume (usually volume1) has at least 3GB of available space. Insufficient storage space may cause the update to fail.
3.After the update, the IP address of your TNAS may change. Please use the TNAS PC desktop client to search for and reconnect to the device.
Update Procedure:
1.Check for updates online or download TOS 7.0.1278 update package (MD5: 22c64e3f9279427d29eb47801589da61);
2.Go to TOS > Control Panel > General Settings > System > Update;
3.Select "Manual Update" and upload the downloaded update package file;
4.Follow the prompts to complete the update;
5.After the system update is complete, please refresh your browser;
6.The TNAS IP address may change after the update. If you cannot connect to your TNAS using the previous IP address, use the TNAS PC client to search for the new IP address;
Client Downloads:
1. Download TNAS PC 5.2.548 for Windows OS.
- MD5: 72701B52336AF9FD8B97A6BE9D5D5A7C
2. Download TNAS PC 5.2.548 for macOS (x86 architecture).
- MD5: BAA63A179C43F73965EA9C31EEB9D61E
3. Download TNAS PC 5.2.548 for macOS (ARM architecture).
- MD5: BB933DA867058884C4ADFE44EAD24AFC
4. Download TNAS PC 5.2.548 for Linux.
- MD5: 06FE93F9FFE47147854A34F28D57FCC2
5. TNAS mobile for Android: Please search for "TNAS mobile" in the app store to install.
6. TNAS Mobile for iOS: Please search for "TNAS mobile" in the App Store to install.
Users currently running TOS 7.0.0746 or later versions.
Note:
If your TOS version is TOS 6, please refer to the TOS 7 update instructions first.
Important: This update is only applicable to TOS 7.0.0746 and newer. Users with older versions must first upgrade to 7.0.0746 before applying this update.
Here, we sincerely thank @crisisacting, @Alak, @rfbjr, @apvm, @Nitrokalel, @OttO1916, @DmMc, @ambul, @sianderson, @mnewland, @kmatas, @Metrogeek, @nenominal and others for your sharing and feedback. Your support helped us quickly identify and fix multiple issues.
Update Notes
Bug Fixes:
1. Fixed the issue where the CPU temperature alarm policy was not properly adapted for certain models.
2. Fixed the issue where the message center process occasionally used excessive memory.
3. Fixed the issue where deleting the home directory gave no error prompt after enabling the safe box.
4. Fixed the issue where network connectivity checks were requested too frequently.
5. Fixed the issue where the entire folder was skipped without recursively comparing subfiles when uploading, copying, or moving a folder to a directory containing a folder with the same name.
6. Fixed the issue where subfolders in the “Select Folder” dialog of some features were not sorted by name.
7. Fixed the issue where SMB login for a newly created system user might fail after joining an LDAP domain.
8. Fixed the issue where an app was not immediately displayed in the “Installed” list after installation completed.
9. Fixed the issue where app user permissions were not saved after switching to the user page when creating a shared folder.
10. Fixed the issue where selecting all from the table header could not check the admin user group when editing app permissions.
11. Fixed the issue where an incorrect message was displayed when enabling SSH in a Traditional Chinese environment.
12. Fixed the issue where some option colors did not follow the theme color when creating a VPN.
13. Fixed the issue where a “url:null” prompt appeared when closing some dialogs.
14. Fixed various other known issues.
Important Information:
1.Updating the system theoretically will not affect the data on your hard drives, but for safety, please make sure to back up your data in advance.
2.Before updating, ensure that your primary volume (usually volume1) has at least 3GB of available space. Insufficient storage space may cause the update to fail.
3.After the update, the IP address of your TNAS may change. Please use the TNAS PC desktop client to search for and reconnect to the device.
Update Procedure:
1.Check for updates online or download TOS 7.0.1278 update package (MD5: 22c64e3f9279427d29eb47801589da61);
2.Go to TOS > Control Panel > General Settings > System > Update;
3.Select "Manual Update" and upload the downloaded update package file;
4.Follow the prompts to complete the update;
5.After the system update is complete, please refresh your browser;
6.The TNAS IP address may change after the update. If you cannot connect to your TNAS using the previous IP address, use the TNAS PC client to search for the new IP address;
Client Downloads:
1. Download TNAS PC 5.2.548 for Windows OS.
- MD5: 72701B52336AF9FD8B97A6BE9D5D5A7C
2. Download TNAS PC 5.2.548 for macOS (x86 architecture).
- MD5: BAA63A179C43F73965EA9C31EEB9D61E
3. Download TNAS PC 5.2.548 for macOS (ARM architecture).
- MD5: BB933DA867058884C4ADFE44EAD24AFC
4. Download TNAS PC 5.2.548 for Linux.
- MD5: 06FE93F9FFE47147854A34F28D57FCC2
5. TNAS mobile for Android: Please search for "TNAS mobile" in the app store to install.
6. TNAS Mobile for iOS: Please search for "TNAS mobile" in the App Store to install.


