< All Topics Main Troubleshooting How to Reset Yealink Phone Print How to Reset Yealink Phone You may be asked by Technical Support to do a factory reset on your Yealink phone. It is not recommended to factory reset unless requested by Support.Press and hold the OK button for 10 seconds.You will be asked to confirm “Reset to factory settings?”. Press OKThe full reset may take several minutes and more than one reboot of the phone.The phone should pick up it’s programming file from our servers.The “OK” button is located as the centre of the arrow keys on the Yealink phones.