Reset a ShoreTel phone handset to factory settings

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You may run in to a situation where you need to completely factory reset a Shoretel phone handset. This can be due to a handset being unresponsive or not talking to its headquarter server or local MGC, amongst other reasons like selling your handset!

To carry out a full factory reset you should take the following steps:
  • Press the MUTE button and then enter 772667# on the phone keypad
  • You need to then enter the default password of 1234#
  • The handset should now reset itself and display “Factory Test KPD Mode” on the screen
  • Enter 25327# on phone keypad to clear the handset settings
  • The handset will then display “Clearing Phone Data
  • The handset will then restart and display “Factory Test KPD Mode
  • You should then take out the power to the handset for 5-10 seconds, then plug the power back into it to fully power cycle the handset
  • If there is a firmware update to be applied, it will do it now; it not, it should then display “Available” on the handset.
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