Polycom 450 updating initial configuration
In most cases where devices are systematically upgraded throughout each Cumulative Update (CU) released by Microsoft then it would most likely be one version older.
This tedious manual process triggers the device’s built-in protection mechanism where a corrupted firmware load that causes the device to crash on bootup.
The phones covered in this article fall into two separate categories: Lync Phone Edition (LPE) devices.
These categories are quite different in their design.
This article will cover the reset procedures as well as explain what is actually happening on the devices.
Each of the two areas are completely independent and can store a full, separate firmware image.
This design allows for two different firmware versions to be installed allowing the phone to switch between them when needed.
An update is applied to the phone to bring it up to a more recent firmware version (e.g. This new version is applied into the other partition which now becomes the active partition.
The previous 4.0.7577.0 version remains intact in the original partition which is now deactivated.