Polycom 501 error updating bootrom

I was able to get my hands on a Polycom Sound Point IP 501 phone from an office closing down (for free).I was trying to configure the phone to use my Free Phone Line config, but wasn't getting anywhere. Mine is that it doesn't get any DHCP address (gets stuck waiting for an address).I fixed it by going back one to the previous bootrom version, worked like a charm.I tried resetting the settings, but after rebooting it keeps reloading the old settings.

In the 4.x UCS release these were merged into the same binary file.

Today’s discussion will be on Polycom and how to upload the latest Firmware.

For some of you this will be a repetitive read, if you have done this before, but for those just starting out in the industry, or just wanting to learn some new information on Vo IP, then this is for you.

For VVX phones, it is 5.5.0 Press "Menu" on your Polycom phone. Enter your password; the default password is '456'. Next, select "Admin Settings", followed by "Network Configuration".

Scroll down using the arrow hard keys until you see "Server Menu".