User Manual
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Auto update the desk phone via USB key
You can use a USB-A or USB-C key. The key has to be formated in FAT32 mode.
• Create an empty text file on the USB key: upgrade.auto
Please check that the file does not have the.txt extension (especially when the file extension is
hidden in system preferences).
• Create a directory on the USB key: upgrade
• Copy binary files into the new directory:
o IP mode:
▪ bin84x9P
▪ noe84x9P
o Digital mode:
▪ bin84x9T
▪ noe84x9T
• Insert the USB key in the corresponding USB slot (A or C).
• Reboot the phone (the led is blinking during upgrade).
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