Updating phone firmware

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One thing that is often overlooked is that firmware revisions can and often do change between versions of CUCM (major or minor).In some cases, it might be OK to just let the firmware upgrade coincide with the CUCM upgrade.In previous versions (Polycom SIP software 3.x or earlier) this manual process was not available.

But when trying to update the firmware for a few phones there is a new process which was introduced with the 4.0 release of UCS.Changing the firmware of a device may rarely or never be done during its lifetime; some firmware memory devices are permanently installed and cannot be changed after manufacture.Common reasons for updating firmware include fixing bugs or adding features to the device.All currently available versions of the Polycom UCS can be located in the official software release matrix online as well as on the product support page for any model SIP phone.What inside the download package1, Updating file folder2, Updating Tool3, Operating Manuel(English)Warning: This could be only updated with USB connecting! add "3 finger screenshot" function4"power saving" function in the touch screen when keep pressing "power" button5.

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