Model - SIP-T46U
1. To Factory
Default this device ensure you are on the idle screen. 2. Hold Down
the OK Button for 5 Seconds.
3. A message
will show “Warning Reset to Factory Setting?”
4. Press Okay
5. The device
will then reboot and Factory Default.
Model - W52P
The following process can be followed to factory default a Yealink W52P handset, please note this is the manual process due to the Web Interface being locked out once the device has provisioned.
- Power
off the unit - if powered by PoE this might mean unplugging the network
cable
- Wait
15 seconds
- Press and
hold the connect button on the base station
- Reconnect
the power
- Wait
until all 3 status lights are on, showing solid green
- Release
the button and wait 5 minutes
- Power
off the unit
- Wait
15 seconds
- Reconnect
the power
- Your
phone may update it's configuration after the reboot which may result in a
second reboot process automatically within a minute or two of the first
reboot