Qnap Addresses Recent QTS 5.2.2 NAS OS Update Issues

Qnap Systems, Inc. recently released the QTS 5.2.2.2950 build 20241114 NAS OS update and received feedbacks from some users reporting issues with device functionality after installation.

In response, Qnap promptly withdrew the OS update, conducted a comprehensive investigation, and re-released a stable version of QTS 5.2.2.2950 build 20241114 within 24 hours.

Scope and Impact
According to the company’s internal investigation, the issue caused by this update only affected limited models of TS-x53D series and TS-x51 series: HS-453DX, TBS-453DX, TS-251D, TS-253D, TS-653D, TS-453D, TS-453Dmini, TS-451D, TS-451D2. Other NAS models running this version remain unaffected and operate normally.

For affected devices, users can resolve the issue with following options:

• Downgrade update: Users can follow the provided instructions to perform a downgrade.
• Contact Qnap support: Our support team is ready to assist users in resolving issues and ensuring data security and device stability.

Steps to Perform a QTS downgrade
Users can complete the downgrade process by following these steps:

1. Visit the Qnap Download Center to download the required operating system version.
2. Log in to the NAS web interface and navigate to [Control Panel] > [System] > [Firmware Update] > [Manual Installation].
3. Select the downloaded image file, click [Open], and then click [Update System].

Read the complete guide