E21 LTS Firmware V3.0 (Click to download)
Version: 321.30.10.10
E21 Release Firmware V3.0 (Click to download)
Version: 321.30.10.31
E21 Beta Firmware V3.0 (Click to download)
Version: 321.30.10.106
- It is recommended to use Release and LTS firmware.
Release Notes
Version: 321.30.10.106 (Beta)
Release Date: October 21, 2026
Supported SmartPlus Version: V7.0
New Features
- Support configuring holiday schedules.
- Support event logs.
- Support TLS 1.2 for device SIP registration and customer-uploaded server certificates.
- Support reporting door-opened timeout alarms to the cloud.
- Support reporting break-in intrusion alarms to the cloud.
- Support configuring holiday schedules on the cloud.
Version: 321.30.10.46 (Beta)
Release Date: September 22, 2026
Supported SmartPlus Version: V5.4
Optimization
- Updated the HTTP API.
Version: 321.30.10.43 (Beta)
Release Date: July 14, 2026
Supported SmartPlus Version: V5.4
Optimization
- Improved the user experience.
Version: 321.30.10.42 (Beta)
Release Date: July 1, 2026
Supported SmartPlus Version: V5.4
Fixed Bug
- Fixed a known issue.
Version: 321.30.10.40 (Beta)
Release Date: May 12, 2026
Supported SmartPlus Version: V5.4
Fixed Bugs
- Fixed some known issues.
Version: 321.30.10.39 (Beta)
Release Date: May 6, 2026
Supported SmartPlus Version: V5.4
Fixed Bugs
- Fixed some known issues.
Version: 321.30.10.34 (Beta)
Release Date: April 23, 2026
Supported SmartPlus Version: V5.4
New Feature
- Extended the maximum SIP/IP call duration to 300 seconds.
Version: 321.30.10.33 (Beta)
Release Date: March 31, 2026
Supported SmartPlus Version: V5.4
New Feature
- Added new web languages: Traditional Chinese, Spanish, French, German, Italian, and Dutch.
Version: 321.30.10.31 (Release)
Release Date: January 30, 2026
Supported SmartPlus Version: V5.4
New Features
- Support customizing emergency audio.
- Support synchronizing the emergency status from R49 guard phone.
- Added Privacy Policy pop-up on the device and web portal.
Version: 321.30.10.28 (Release)
Release Date: November 4, 2025
Supported SmartPlus Version: V5.4
New Feature
- Support customizing Hang Up prompt and adjusting Hang Up Volume.
Version: 321.30.10.25 (Beta)
Release Date: November 4, 2025
Supported SmartPlus Version: V5.4
Optimization
- Optimized Ringback volume.
Version: 321.30.10.23 (Beta)
Release Date: September 5, 2025
Supported SmartPlus Version: V5.4
Optimization
- Improved the user experience.
Version: 321.30.10.21 (Beta)
Release Date: August 8, 2025
Supported SmartPlus Version: V5.4
New Features
- Support adjusting the ringback volume.
- Support obtaining the device’s calling status via API.
Version: 321.30.10.19 (Beta)
Release Date: July 29, 2025
Supported SmartPlus Version: V5.4
New Features
- Changed image message upload to the cloud from FTP to HTTPS.
Version: 321.30.10.18 (Release)
Release Date: April 1, 2025
Supported SmartPlus Version: V5.4
New Features
- Support call schedule feature.
- Support making call via triggering Input.
- Updated daylight saving time.
Version: 321.30.10.13 (Beta)
Release Date: February 24, 2025
Supported SmartPlus Version: V5.4
Optimization
- Improved device security.
Version: 321.30.10.10 (Release/LTS)
Release Date: November 21, 2024
Supported SmartPlus Version: V5.4
New Features
- Support local Robin Call function.
- Support configuring two SIP accounts for Dial Plan.
Version: 321.30.10.6 (Beta)
Release Date: April 12, 2024
Supported SmartPlus Version: V5.4
New Features
1.Support setting a mandatory listening time for multicast calls received.
2.Modified default values for resolution and bitrate.
3.Removed H.265.
4.Support disabling hang-up tone for multicast calls.
5.Enabled each input by default.
6.Support cloud-based door status display.
7.Optimized DTMF door opening experience.
8.Updated Daylight saving time.
9.Support hang-up after opening the door.
10. Increased the byte limit for room numbers.
Version: 321.30.10.4 (Release)
Release Date: November 21, 2024
Supported SmartPlus Version: V5.4
New Features
- Added call hang-up prompt sound.