User's and Administrator's Manual 3. Starting up
Version 0.314 27 450HD IP Phone
disabled by default; leave it unchanged at the default unless there’s a real necessity to use it.
Backup &
Reset
Enables the Admin user to perform a factory data reset.
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Enables the Admin user to access the Wireless & Networks screen.
The ‘Network settings reset’ options enables resetting all network settings including Wi-Fi,
Cellular data and Bluetooth.
3.2 Restoring the Phone to Default Settings
Users can restore the device to factory default settings at any time. The feature can be used if a
user forgets their Admin password, for example. Two kinds of restore are available:
Hard restore
Soft restore
3.2.1 Performing a Hard Restore
To perform a hard restore:
1. Long-press the HOLD key on the phone (more than 15 seconds); you’re prompted with the
screen below and the device performs a restore to default factory settings.