File NameOverviewVersionRelease DateDownload
**N2810/N2810PLUS/N2810PRO/N4810/N5810/N5810PRO/ N4820U/N4910U/N4910UPRO/N8910/N12910/N12910SAS/N16910SAS OS7 Beta Firmware

Beta Firmware notice: The beta version of ThecusOS firmware brings more or improved functions and resolves important issues. Thecus provides regular tech support for NAS with beta firmware but can't be held responsible for any damage to the system or data loss when using the ThecusOS beta firmware. Please use at your own risk.

[Release Note]
As below:
[New Features/Changes]

  1. Add allow user to reduce Snapshot version.
  2. Add disable icon for auto firmware update.
  3. Add email support UTF-8.
  4. Add Local/Remote backup task failed log.
  5. Add notification while RSYNC discover empty folder.
  6. Add quick key to enable/disable system log on SYSTEM LOG tab.
  7. Add system failover for 5/10/30 mins backup.
  8. Add USB device support up to 16.
  9. Add user quota description while create or edit user.
[Function improved]
  1. Improved access Log tab & refresh button will show up since access log function enabled.
  2. Improved app center display.
  3. Improved CONF.BIN schedule backup function.
  4. Improved DDNS/DYNDNS configuration.
  5. Improved email address length up to 254.
  6. Improved Folder quota behavior, since folder quota over RIAD volume size, system would assign to 0MB for unlimited and pop out warning message.
  7. Improved HDD Frozen & Locked display.
  8. Improved iTunes function for N2350 N4350.
  9. Improved multiple languages wording.
  10. Improved notification while remove RAID volume.
  11. Improved OOM issue in some case.
  12. Improved SAMBA login for Chinese & Japanese user account.
  13. Improved schedule on/off.
  14. Improved share folder & folder tree display.
  15. Improved share folder ACL configuration.
  16. Improved SNMP function. (X86)
  17. Improved SYSTEM FAILOVER folder name limitation.
  18. Improved system fan while low RPM.
  19. Improved target folder option, ex: iTune service & unable to choose USBHDD & snapshot folder.
  20. Improved user patch input behavior.
  21. Improved VPN description link from Microsoft.
  22. Improved WAN/LAN duplicated IPv4 check.
  23. Improved XFS file system would hide Snapshot items.

v3.02.04.17 2018-07-20 Thecus DownloadFirmware
Thecus DownloadUpgrade Guide
Thecus DownloadRelease Note
Thecus DownloadGPL

*N5810/N5810PRO OS7 Firmware

[Release Note]
As below:
[New Features/Changes]
  • Added ERROR LEVEL log, while backup source & target lose.
  • Removed SKIP icon from change password page while password as default.
[Function improved]
  • Improved DDNS/DYNDNS configuration.
  • Improved HDD Frozen & Locked display
  • Improved iTunes function for N2350 N4350.
  • Improved LOG & NOTIFICATION flow & functions.
  • Improved multiple leagues wording.
  • Improved schedule on/off.
  • Improved SYSTEM FAILOVER folder name limitation.
  • Improved system fan while low RPM.

V3.02.03.5 2018-05-25 Thecus DownloadFirmware
Thecus DownloadUpgrade Guide
Thecus DownloadRelease Note
Thecus DownloadGPL

*OS5 x64 Beta Firmware

[Release Note]
As below:
[New Features/Changes]

  1. Add support FBP3001039011 support.
[Function improved]
  1. Improve Amazon S3 --acl-public issue.
  2. Improve BTRFS ACL & public change.
  3. Improve BTRFS snapshot restore.
  4. Improve FTP not depend on SAMBA service.
  5. Improve IPMI client OOM.
  6. Improve LSI HBA OOM.
  7. Improve NFS server while booting.
  8. Improve restore user account/password, and also restore admin password.
  9. Improve RSYNC encryption.
  10. Improve System Failover switch to Standby NAS.

v2.06.03 2018-11-16 Thecus DownloadFirmware
Thecus DownloadUpgrade Guide
N5810/N5810PRO/N4910U/N4910UPRO/N8910 OS7 Firmware

[Release Note]
As below:
[New Features/Changes]

  1. Add KVM support from LocalDisplay app V3.02.15.
    http://ftp2.thecus.com/~thecus/download/Modules/dlna_media/LocalDisplay_3.02.15_x64.app
    http://esupport.thecus.com/default_import/Knowledgebase/Article/View/739/0/thecus-os7-kvm-with-centos7-example
  2. Add N2350 N4350 support download SNMP MIB.
  3. Add N4350 support Migrate RAID1 to RAID5.
  4. Add support support Kodi app V3.03.05.[KODI_17.4_Krypton].
  5. Add warning about N2350 N4350 support up to 16TB for each JBOD/RAID volume.
  6. Improve AFP display.
  7. Improve APP behavior while NAS shutdown & reboot.
  8. Improve D16000 & RAID creating.
  9. Improve eSATA backup.
  10. Improve fan failure warning.
  11. Improve File Center behavior.
  12. Improve help icon with http://esupport.thecus.com.
  13. Improve iSCSI function.
  14. Improve multiple language & UI display.
  15. Improve N2350 N4350 backup function.
  16. Improve N2350 N4350 compatibility with 100M switch.
  17. Improve N4820 beep.
  18. Improve N4820 WOL.
  19. Improve RAID encryption RAID red warning after decrypt manually.
  20. Improve RDX behavior.
  21. Improve remove RAID while iSCSI volume exited.
  22. Improve System failover.
  23. Improve user account & ACL.
[Bug Fixes]
  1. -
  2. -
[Online Auto Download & Upgrade]
  1. If NAS with Internet access capacity, it is no need to download this file, just: CONTROL PANEL -> CONTROL -> FIRMWARE SETTING -> AUTO UPGRADE.

v3.02.02.6 2017-10-31 Thecus DownloadFirmware
Thecus DownloadUpgrade Guide
Thecus DownloadRelease Note
Thecus DownloadGPL

Thecus X64 models Firmware

[Release Note]
As below:
[New Features/Changes]

  1. Force disabled the SMB1 & configured SMB2 as default for SAMBA security concern.
    System force disable SMB1, if your client devices unsupported SMB2 would re-enable the SMB1, you may re-enable from NAS ADMIN WEB page: HOME -> NETWORK SERVICE -> SAMBA/CIFS -> SMB Min Protocol -> LANMAN1.
  2. CVE-2017-7494.
  3. Improve system thermal & FAN control.
  4. Improve BTRFS folder quota function.
  5. Improve TTY1 login timed out.
  6. Improve internal dmesg about preallocate message.
[Bug Fixes]
  1. -

V2.06.02.10 2017-06-19 Thecus DownloadFirmware
Thecus DownloadUpgrade Guide
Thecus DownloadRelease Note
Thecus DownloadGPL