Hello Ray
I can not get it,
I am afraid, here are the channels once upgraded:
STABLE CHANNEL
[√] Flutter (Channel stable, v1.12.13+hotfix.5, on Microsoft Windows [version 10.0.18363.535], locale fr-FR)
[√] Android toolchain - develop for Android devices (Android SDK version 29.0.2)
[√] Android Studio (version 3.5)
[!] Connected device
! No devices available
DEV CHANNEL
[√] Flutter (Channel dev, v1.13.0, on Microsoft Windows [version 10.0.18363.535], locale fr-FR)
[√] Android toolchain - develop for Android devices (Android SDK version 29.0.2)
[√] Chrome - develop for the web
[√] Android Studio (version 3.5)
[√] Connected device (2 available)
MASTER CHANNEL
[√] Flutter (Channel master, v1.13.1-pre.99, on Microsoft Windows [version 10.0.18363.535], locale fr-FR)
[√] Android toolchain - develop for Android devices (Android SDK version 29.0.2)
[√] Chrome - develop for the web
[√] Android Studio (version 3.5)
[√] Connected device (2 available)
BETA CHANNEL
[√] Flutter (Channel beta, v1.12.13+hotfix.6, on Microsoft Windows [version 10.0.18363.535], locale fr-FR)
[√] Android toolchain - develop for Android devices (Android SDK version 29.0.2)
[√] Chrome - develop for the web
[√] Android Studio (version 3.5)
[√] Connected device (2 available)