Cisco IP phone firmwre upgrdade through laptop

[aniket0422]

Hi All,

Can someone explain me the procedure to upgrade cisco 6921 IP phone firmware through Laptop.

Phone has PoE Power and no separate adapter to power it on.

Regards,

Aniket Raut

[Manish Gogna · Accepted solution]

Hi Aniket,

Check these

https://supportforums.cisco.com/document/96856/upgrade-firmware-3rd-party-tftp-server-tfpd32

https://supportforums.cisco.com/discussion/10354506/7941-and-7961-firmware-upgrade-failed

Manish

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