TOS 7.0.0559 Beta (X86) is Released for Update
Posted: 28 Apr 2026, 18:56
Target Users:
Users currently running TOS 7.0.0299 or later versions.
Note:
If your TOS version is TOS 6, please refer to the TOS 7 beta update instructions first.
Here, we sincerely thank users @EgorA, @storageninja, @rfbjr, @weerasak, @samw5, @greg888, @crisisacting, @snapsh0t, @Joesh, @Gremlin, @DCCentR, @Marshal, @Nitrokalel, @xzil3d, @bartmans99, @User009, @facemir, @kai, @Zymphad, @OttO1916, @Gravitator, @EriChan, @usersky, @Blendik, @luismartin, @mmalchuk, @JSCFORCE, @andreyzhukov, @Frynes and others, for their sharing and feedback. It is your support that has enabled us to quickly identify and resolve some issues.
Update Notes
Bugs fixed:
1. Fixed an issue where domain user groups could not set permissions properly.
2. Fixed an issue where application status was not synchronized between App Center and Backup Center.
3. Fixed an issue where an error might occur when securely erasing a disk.
4. Fixed an issue where VPN configuration could not be used properly after restoring system configuration.
5. Fixed an issue where a formatted USB device might not be mounted properly.
6. Fixed an issue where some icons displayed abnormally in dark mode.
7. Optimized the loading performance of thumbnails.
8. Optimized the performance of File Manager when loading large amounts of data.
9. Optimized the stability of TNAS.online remote access.
Important Information:
1. After the system update, please also update USB Copy, VirtualBox, TNAS PC, and TNAS mobile to ensure these applications and TNAS.online function properly.
2. 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.
3. 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.
4. 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. Go to TOS > Control Panel > General Settings > System > Update, and click "Check for updates."
2. Follow the prompts to update the system.
3. After the system update is complete, you may need to refresh your browser.
4. 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 5.2.540 for Windows OS.
- MD5: AFB7CD77DE2A4F0434D69D52D15959AF
2. Download TNAS PC 5.2.540 for macOS (x86 architecture).
- MD5: 715FEB00FDB06DF4CC9A228622566F70
3. Download TNAS PC 5.2.540 for macOS (ARM architecture).
- MD5: A6954F192DD23AF7374CF2AF20190B6C
4. Download TNAS PC 5.2.540 for Linux.
- MD5: A5B13A2C2C9B0F9FFFCBDF6F3BA9E342
5. Download TNAS Mobile 3.5.064 for Android.
6. For iOS, experience TNAS Mobile 3.X via: https://testflight.apple.com/join/wFWYABJS.
Users currently running TOS 7.0.0299 or later versions.
Note:
If your TOS version is TOS 6, please refer to the TOS 7 beta update instructions first.
Here, we sincerely thank users @EgorA, @storageninja, @rfbjr, @weerasak, @samw5, @greg888, @crisisacting, @snapsh0t, @Joesh, @Gremlin, @DCCentR, @Marshal, @Nitrokalel, @xzil3d, @bartmans99, @User009, @facemir, @kai, @Zymphad, @OttO1916, @Gravitator, @EriChan, @usersky, @Blendik, @luismartin, @mmalchuk, @JSCFORCE, @andreyzhukov, @Frynes and others, for their sharing and feedback. It is your support that has enabled us to quickly identify and resolve some issues.
Update Notes
Bugs fixed:
1. Fixed an issue where domain user groups could not set permissions properly.
2. Fixed an issue where application status was not synchronized between App Center and Backup Center.
3. Fixed an issue where an error might occur when securely erasing a disk.
4. Fixed an issue where VPN configuration could not be used properly after restoring system configuration.
5. Fixed an issue where a formatted USB device might not be mounted properly.
6. Fixed an issue where some icons displayed abnormally in dark mode.
7. Optimized the loading performance of thumbnails.
8. Optimized the performance of File Manager when loading large amounts of data.
9. Optimized the stability of TNAS.online remote access.
Important Information:
1. After the system update, please also update USB Copy, VirtualBox, TNAS PC, and TNAS mobile to ensure these applications and TNAS.online function properly.
2. 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.
3. 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.
4. 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. Go to TOS > Control Panel > General Settings > System > Update, and click "Check for updates."
2. Follow the prompts to update the system.
3. After the system update is complete, you may need to refresh your browser.
4. 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 5.2.540 for Windows OS.
- MD5: AFB7CD77DE2A4F0434D69D52D15959AF
2. Download TNAS PC 5.2.540 for macOS (x86 architecture).
- MD5: 715FEB00FDB06DF4CC9A228622566F70
3. Download TNAS PC 5.2.540 for macOS (ARM architecture).
- MD5: A6954F192DD23AF7374CF2AF20190B6C
4. Download TNAS PC 5.2.540 for Linux.
- MD5: A5B13A2C2C9B0F9FFFCBDF6F3BA9E342
5. Download TNAS Mobile 3.5.064 for Android.
6. For iOS, experience TNAS Mobile 3.X via: https://testflight.apple.com/join/wFWYABJS.


