Can't switch off the activity led with 15.0 firmware

Hello,
I just upgraded my NS1 with the latest firmware (it was running fw14.0) and when I wanted to control the blue led I could not turn it off.
Is this a known bug?
Thank you.
I just upgraded my NS1 with the latest firmware (it was running fw14.0) and when I wanted to control the blue led I could not turn it off.
Is this a known bug?
Thank you.