Yealink SIP-T20 User Manual download pdf (Page 117)

Troubleshooting

105

4. Click OK to confirm upgrading.

How to reset the phone?

Reset the phone when other troubleshooting suggestions do not correct the problem.

You need to note that all customized settings will be overwritten after resetting. So we

recommend asking your system administrator for advice before resetting the phone.

To reset the phone via phone user interface:

1. Press .

2. Select Settings->Advanced (password: admin).

3. Press or to scroll to Reset Factory, and then press .

The LCD screen prompts ‖Reset To Factory?‖.

4. Press to confirm.

The LCD screen prompts ―Please wait Reset…‖.

The LCD screen prompts ―Initializing Please wait‖.

The phone will be reset to factory sucessfully after startup.

Note

Reset of the phone may take a few minutes. Do not power off until the phone starts up

successfully.

Reset To Factory?

Please wait

Reset…

Initializing

Please wait

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Yealink SIP-T20 User Manual Page 117