Notes de version Android

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v7.7.1

Minimum supported version: Android 7.0

Bug fixes

Fixed an issue where pressing a hardware or accessory PTT button could fail to send a message, displaying a “No selected contact to message” error. The selected contact now correctly updates to the sender of the last incoming message.

v7.7.0

Minimum supported version: Android 7.0

What’s new

This update introduces Open Mic Detection on Android and includes improvements to reconnection speed and microphone handling, along with some bug fixes.

Feature updates

Open Mic Detection

Zello can now detect and automatically end unintended silent transmissions on Android, matching the capability already available on iOS. When enabled by a network admin, the app monitors active transmissions for sustained silence and ends them after a configurable period.

Three sensitivity levels available: Aggressive, Standard, and Relaxed
Audio cue plays when a transmission is ended automatically
On-screen PTT methods are excluded from automatic termination

General improvements

Zello now reconnects faster after brief connectivity interruptions, getting back online in seconds instead of performing a full sign-in.
On Android 10 and later, Zello now handles scenarios where another app is using the microphone more gracefully, removing the “disabled mic” indicator.
Notifications are now properly silenced when “Silence Messages” is enabled, including for text, location, alert, and photo messages.

Bug fixes

Fixed an issue where a Bluetooth LE accessory could not be re-added after being removed during a manual scan.
Fixed an issue where tapping “Add users” from an ad-hoc conversation displayed an unexpected error.

v7.6.1

Minimum supported version: Android 7.0

Bug fixes

Fixed an issue where permissions were not properly requested when signing in to a new account for the first time.

v7.6.0

Minimum supported version: Android 7.0

What’s new

This update improves hardware button support for Sonim and RugGear RG190 devices and resolves issues with account login, reconnection, and app stability.

Alert volume

Zello can now automatically reduce alert volume when a wired headset is connected, preventing uncomfortably loud alerts for headset users. This behavior is configured by network administrators through the web console.

General improvements

Sonim devices running Android 13 or later now automatically assign PTT and SOS hardware buttons when Zello is installed, with no manual setup required.
Improved display layout and usability for RugGear RG190 devices.

Bug fixes

Fixed an issue where the app would auto-reconnect to the previous session instead of showing the login screen when adding a new account.
Fixed an issue where shared device accounts appeared offline when logging in for the first time on a new device.
Fixed an issue where creating a group conversation could cause the app to crash.
Fixed an issue where the Zello background service could remain active after exiting the app.
Fixed a memory leak that could cause performance degradation when viewing images in conversations.
Fixed several crashes to improve app stability.

v7.5.0

Minimum supported version: Android 7.0

What’s new

This update adds automatic alert volume reduction for headset users and haptic confirmation for emergency alerts triggered from accessories. It also resolves issues with message delivery, reconnection, and missed message badges.

Feature update

Alert volume

General improvements

The device now vibrates to confirm when an emergency alert is triggered from a hardware accessory's SOS button.
The "Waiting for connection" banner now clears when messages are successfully sent or received.

Bug fixes

Fixed an issue where voice messages sent to an offline user were not always delivered when they reconnected.
Fixed an issue where the app could show as offline after exiting and relaunching.
Fixed an issue where using "Mark All as Read" did not always clear the missed message badge on Recents.
Fixed a performance issue that could cause the app to become unresponsive or crash during startup.
Fixed some crashes to improve app stability.

v7.4.3

Minimum supported version: Android 7.0

What’s new

This update adds support for the Siyata SD7 Ultra, and resolves issues with the ready-to-send sound, image history, MDM configuration handling, and problem report delivery.

General improvements

Added support for the Siyata SD7 Ultra, including PTT toggle mode, SOS button, knob-based channel switching, IMEI auto-login, and QR code sign-in via the built-in camera.
Sign-in and channel loading are now faster for accounts with many ad-hoc conversations.
The "Silence Messages" option in the main menu now shows schedule information when you are outside your availability window

Bug fixes

Fixed an issue where the confirmation tone did not play at the start of a transmission when using a short alert sound.
Fixed an issue where images in message history were not displayed after signing out and signing back in.
Fixed an issue where creating a Zello Work trial from a consumer account could fail.
Fixed an issue where an invalid network name in MDM configuration could cause the app to enter a sign-in loop.
Fixed an issue where problem reports submitted from the app were not delivered.
Fixed some crashes to improve app stability.

v7.3.1

Minimum supported version: Android 7.0

Bug fixes

Fixed an issue where tapping an SSO account with Single Logout enabled did not redirect to the identity provider.

v7.3.0

Minimum supported version: Android 7.0

What’s new

This update improves emergency message delivery for offline users, fixes an issue with QuickConnect channel interruptions, and resolves several SSO and sign-in issues.

General improvements

Emergency messages sent in channels with Message Recovery enabled are now delivered to offline users, even if the emergency ends before they reconnect.
Improved SSO and MDM-based sign-in reliability.

Bug fixes

Fixed an issue on QuickConnect channels where interruption attempts were incorrectly sent as short queued messages instead of being rejected.
Fixed an issue where the exit option did not work as expected.
Fixed an issue where a service notification toast remained on screen after the app restarted in the background.
Fixed an issue where the sign-in screen did not work correctly when the app was locked to a specific network.
Fixed some crashes to improve overall app stability.

v7.2.0

Minimum supported version: Android 7.0

What’s new

This update adds an audible notification when voice messages are interrupted, improves image delivery over poor connections, and resolves issues with unread badges, audio controls, and Bluetooth accessory identification.

General improvements

SSO sign-in now opens an external browser, improving compatibility with hardware security keys.
An audible tone now plays when a voice message is interrupted by another speaker or an incoming emergency.
Message recording now stops automatically when a USB-C accessory is disconnected mid-message.

Bug fixes

Fixed an issue where images sent over poor connections were not delivered to Android recipients, even after connectivity was restored.
Fixed an issue where the audio menu button on the Talk screen was intermittently unavailable.
Fixed an issue where unread badges in Recents could not be cleared.
Fixed an issue where the Jabra Perform 45 SE was incorrectly identified as a BlueParrott accessory.
Fixed an issue where audio continued transmitting after navigating from the Talk screen to History.
Fixed an issue where users could not leave a conversation while offline.
The connection status text now displays correctly in Russian.
Resolved several minor cosmetic and layout issues across sign-up, onboarding, and workspace screens.

v7.1.0

Minimum supported version: Android 7.0

What’s new

This update improves Emergency Alert support on RugGear RG360 devices and helps ensure Wi-Fi features continue to work reliably on Android 16.

General improvements

Emergency alerts can now be triggered reliably by holding the SOS button on RugGear RG360 devices.
Added support for Android 16’s local network permission to keep Wi-Fi features working as expected.
Removed the fixed screen orientation setting on Android 16 and later.

v7.0.2

Minimum supported version: Android 7.0

Bug fixes

Single Sign-on authentication no longer fails when exiting and reopening the app.

v7.0.1

Minimum supported version: Android 7.0

What’s new

This update includes changes to Bluetooth and wireless accessory support, along with some general fixes across status behavior, silenced-message notifications, and the SDK sample app.

General improvements

Wireless accessories now connect and update more reliably on devices managed by MDM, including work profile setups.
Added support for Bluetooth accessories in dual profile MDM mode.
Improved auto-mapping behavior when switching between accessories.
When SLO is enabled, users are now prompted to select which email address to log in with before continuing to the “Request for Approval” page.
The overlay button can now be removed in landscape mode.

Bug fixes

Setting your status to Available from the notification panel now disables Off-Duty mode.
Users with messages silenced will no longer receive notifications.
In the SDK sample app, checkmarks now appear when selecting users.
In the SDK sample app, the Busy status now displays correctly for other users.

v6.16.0

Minimum supported version: Android 7.0

What’s new

This update improves translation behavior, enhances Bluetooth pairing and accessory support, and includes fixes that improve overall stability and channel settings.

General improvements

Messages will no longer be translated into the same language they were sent in.
Restored secondary Push-to-Talk (PTT) functionality for the action button on supported accessories.
Added Active Noise Reduction during Bluetooth pairing to help ensure the Ready-To-Speak (RTS) tone is clearly audible.

Bug fixes

Prevented Airbridge from crashing after rebooting to the lock screen.
Fixed an issue that caused channel settings to reset to default.

v6.15.2

Minimum supported version: Android 7.0

What’s new

This update fixes several small translation errors and improves background behavior and notifications so the app works more as expected. It also corrects inaccurate timestamps and includes crash fixes that improve overall stability.

Feature updates

AI Message Summaries

When using AI Message Summaries, the screen will now automatically scroll to reveal the generated summary.

General improvements

Android users now receive a notification if their device disconnects while Zello is in the background.
Android users now receive a notification if their device disconnects while Zello is in the background.
Offline users will no longer see the status of their contacts in notifications.
"You," "Terms of Service," and "Privacy Policy" are now correctly translated in all supported languages.
Incoming audio now opens the talk screen instead of the main menu when Zello is in the background.
Added support for the new auto-volume-increase internal setting.
Added support for updated firmware for the Stone Mountain Blue Sky accessory.

Bug fixes

The history screen now correctly displays the proper kiosk name when transcriptions are enabled.
History settings changes now persist across logouts.
Incoming messages now show the correct timestamp.
Ella now works more reliably through network fluctuations and after connectivity has been restored.
Fixed several crashes to improve overall app stability.