Yealink Yealink SIP-T20P Manual Download

Page: 6 / 6

Recovery mode on Yealink IP phones

Using Recovery Mode on W52

This section shows how to perform recovery mode on W52 step by step.

Press

and reconnect the power adapter to trigger the recovery mode and

then wait for about 10 minutes. You can pay attention to the log of TFTP server.
Make sure that Base have asked for the files.

Try to open the WEB UI with the IP address 192.168.0.100 via PC.

Check the firmware version in Status.

Summary of Contents for Yealink SIP-T20P

Page 1: ...ode to get your IP phone ready You should obtain the firmware of the IP phone and rename it install a TFTP download server Preparing the firmware resource file You can ask your system administrator fo...

Page 2: ...on You can download the tftpd32 application from web at http tftpd32 jounin net tftpd32_download html If there is a TFTP server existed in your network you can skip this session and go to next Procedu...

Page 3: ...cessfully and get ready for use after starting up Screenshot of the LCD screen when upgrading successfully for reference If the IP phone upgrades unsuccessfully the phone LCD screen will indicate the...

Page 4: ...d32 application from web at http tftpd32 jounin net tftpd32_download html If there is a DHCP server existed in your network and have the same network segment like below you can skip this session and g...

Page 5: ...here is a TFTP server existed in your network and the IP address is 192 168 0 23 you can skip this session and go to next Procedures 1 Configure the local IP address with 192 168 0 23 in another PC 2...

Page 6: ...p by step Procedures 1 Press and reconnect the power adapter to trigger the recovery mode and then wait for about 10 minutes You can pay attention to the log of TFTP server Make sure that Base have as...