Unless it's in writing - and I'm going to assume you're in the USA since you're having probs, whereas other nations truly aren't having that much of a problem... imagine that - I'd have to say this is false.

You should look over your documentation that was around your past RMA and see if there's anything that points to that 90 day statement.

But I'll be honest. I'm not too surprised. Nokia USA's support is perhaps the absolute worst support I've ever encountered.