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On the phone - Press the menu button once and then press the down arrow button three times. The LCD screen should display "IP Address:" with the IP address of your phone below. Note the IP address and then push the menu button once again to clear the screen.
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Download the firmware from the Patton website and save it on your PC. Note the location name of the saved file. For example: c:\SL4050-10-S-020905-2005-07-22.azf
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In Windows, Click on "Start", then "Run". In the "Open" input box, enter "cmd" and press OK. A DOS window will open.
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In DOS window on the command line, enter: "TFTP -i xxx.xxx.xxx.xxx put filename "
where xxx.xxx.xxx.xxx is the IP address of your phone as noted from step number one above and "filename" is the name and location of the downloaded firmware file.
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With a local LAN connection between your PC and phone the download of firmware may take as little as 5 seconds. After the download is complete, the LCD screen will display "initializing" as the phone reloads. The phone's LCD screen will display the date and time after the download and reboot have completed.
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Close the DOS window on you PC.
Example:
A. Using the menu button on the phone you learn that your phone's IP address is: 192.168.1.21.
B. You downloaded the firmware image file "SL4050-10-S-020905-2005-07-22.azf" from the Patton website and save the file in the root directory "C:"
The command to load the phone is:
TFTP -i 192.168.1.21 put c:\SL4050-10-S-020905-2005-07-22.azf
You can verify the version of firmware loaded on the phone through the web interface on the phone. The firmware version is shown in the upper right corner of every screen.
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