Factory Reset of Yealink Desk Phones (T46U/T46S)
Factory reset from the phone menu (recommended)
On the
phone, press and hold 'OK' for 5 seconds.
When prompted to 'Reset to Factory Settings', press 'OK'.
When
prompted, enter the admin password:
Choose
Reset to Factory (sometimes shown as Factory Reset).
Confirm
OK when asked.
The phone will reboot and come back as new after a few moments.
Yealink Recovery Mode Reset:
1. Hold the Speaker button
2. While continuing to hold the speaker button,
unplug the ethernet/power cable and plug it back in so that the phone reboots. Do not let go of
the speaker button during this process.
3. Once booted it will display a screen that asks
if you’d like to boot up in recovery mode, let go of the speaker button and
click 1 for ‘Yes’
4. Let the phone boot, once it is booted up, hold
the ‘OK’ button and it will prompt for factory reset, press ‘Yes’