@Sunshine, I agree with @brunocfp, it does not make sense at all. I got my TX-6610 from a store, not from my ISP. It came FROM TP-LINK with a firmware more recent than the one that is available on...

@brunocfp I have the same prolem. I also bought a TX-6610 recently and it has a firmware that is more recent than the 2015 one on the website... It's ridiculous not to be able to have the latest...