About Synology Secure SignIn
**Synology NAS and a Synology account are required for this Application.** **DiskStation Manager 7.0 or above version with Synology Secure SignIn service enabled is required.** Synology Secure SignIn increases account...
**Synology NAS and a Synology account are required for this Application.**
**DiskStation Manager 7.0 or above version with Synology Secure SignIn service enabled is required.**
Synology Secure SignIn increases account security and offers two verification methods: Approve sign-in and verification code (OTP). Approve sign-in can be used to replace DSM password. For enhanced protection, use either method as the second sign-in step of 2-factor authentication.
Previous Versions
Here you can find the changelog of Synology Secure SignIn since it was posted on our website on 2021-12-10 16:45:05.
The latest version is 1.3.1 and it was updated on 2026-10-15 04:45:24. See below the changes in each version.
Synology Secure SignIn version 1.3.1
Updated At: 2026-05-06
Changes: Fixed Issue:
Minor bug fixes.
Synology Secure SignIn version 1.3.0
Updated At: 2025-08-01
Changes: What's New:
1. Users no longer need to re-authenticate for Auto Backup and Sync while signed in to the browser.
Fixed Issue:
1. Fixed an issue where Approve sign-in setup displayed misleading messages when using a QuickConnect connection.
2. Fixed an issue where Approve sign-in displayed a misleading error message when a user's login session had expired.
Compatibility and Installation:
1. Improved app stability when 16 KB mode is enabled in developer options.
Synology Secure SignIn version 1.2.2
Updated At: 2024-12-10
Changes: 1. Fixed an issue where tapping a sign-in request from a locked screen could fail.
2. Fixed an issue where multiple identity verifications were required when approving a sign-in request.
3. Fixed an issue where a format error might occur when copying a secret key from an external service to the app during manual OTP setup.
4. Reduced the time for the approval pop-up to appear after tapping a sign-in request push notification.
Synology Secure SignIn version 1.2.3
Updated At: 2024-12-10
Changes: • Fixed an issue where incorrect error messages appeared during setup of Approve sign-in when mobile apps were not authorized for QuickConnect access.
Synology Secure SignIn version 1.2.1
Updated At: 2024-09-09
Changes: 1. Fixed an issue where users could not receive Approve sign-in requests.
2. Fixed an issue that could cause data inconsistencies when multiple devices automatically back up and sync accounts and profiles.
3. Fixed an issue that could cause unexpected login failures when connecting to DSM.
4. Fixed an issue where users' login attempts could be canceled if their biometric verification failed after receiving an Approve sign-in request.
Synology Secure SignIn version 1.2.0
Updated At: 2024-04-23
Changes: What's New：
1. Added support for automatically backing up Approve sign-in accounts and OTP profiles to Synology Account from multiple devices.
2. Added support for adding C2 Identity account to Approve sign-in profiles.
3. Added support for account and profile searching.
Fixed Issue：
1. Fixed an issue where the app did not retain the last used page on the screen after the user closed and reopened it.
Synology Secure SignIn version 1.1.1
Updated At: 2023-09-20
Changes: Fixed Issue
1. Minor bug fixes.
Synology Secure SignIn version 1.0.4
Updated At: 2023-03-05
Changes: 1. Added the Login Activity page, where login information for an account can be sorted by time and abnormal events are marked.
2. Minor bug fixes.
Synology Secure SignIn version 1.0.3
Updated At: 2022-04-26
Changes: 1. Added support for receiving abnormal login notifications from Synology Account.
2. Added support for manually adding Synology Account to Approve sign-in profiles.
3. Increased the maximum number of OTP files supported to 100.
4. Minor bug fixes.
Synology Secure SignIn version 1.0.2
Updated At: 2021-12-14
Changes: 1. Added support for responding to sign-in requests directly in push notifications.
2. Added support for Approve sign-in on Wear OS.
3. Added support for using custom images as account avatars.
4. Added support for changing password directly upon receiving abnormal login notifications.
5. Updated the Auto Backup function so that backup files stored on Synology Account will not be automatically deleted when the function is turned off.
6. Minor bug fixes.
Disclaimer
Official Google Play Link
We do not host Synology Secure SignIn on our servers. We did not scan it for viruses, adware, spyware or other type of malware. This app is hosted by Google and passed their terms and conditions to be listed there. We recommend caution when installing it.
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