CHAPTER 6 Performing Administrator-Related Operations
C448HD C450HD | Users & Administrator's Manual
When?
Action
Press key
combination
LED flashes 3x
after release
Start pressing immediately
after power up (on U-Boot /
Universal Boot Loader)
Recovery mode
(you can restore
defaults from there)
Back key +
MENU
key (3
seconds)
Red
Switch slots A / B
4
key +
6
key (3
seconds)
Green
Loader
1
key +
3
key (3
seconds)
Blue / Yellow
Switch Skype for
Business to Android
(and vice versa)
Back key
+
OK
key (3
seconds)
Red + Green
Restore defaults
OK
key +
MENU
key (3
seconds)
Green + blue /
Green + yellow
When successfully booted (on
Android)
Reboot
From the
'Admin' menu
-
Restore defaults
Long-press
Hold
key for
~15 seconds
Flashes white
once after
release (C450HD
only)
Removing Devices from Intune Management
You can remove from Intune devices that are no longer needed, that are being repurposed, or
that have gone missing.
➢
To remove devices from Intune:
1.
Go to Microsoft 365 Admin Centre [portal.office.com] and log in with an Administration
account.
2.
Navigate to
Endpoint Manager
.
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