I've got some questions regarding my tv and its firmware and would be happy, if you can help me answering them.

My television: LE37B650T2P
My current firmware: T-CHLCIPDEUC-2008.2
Here's the problem: I would like to use PVR in order to record to USB. Also I do not know, if this was the preinstalled or an updated firmware.
I read a lot of topics in this forum, but most of them seem to be outdated because they rely on the FFB tool.
Unfortunately, the description of the FFB tool says that my tv isn't supported anymore.
So, is there a chance to get it working?
Thanks in advance for your help.
- Toaster