Well, "not accepting any such requests", with exceptions isn't "true, with some exceptions" - it's just "false". WP:OR means I can't fix the article, unfortunately.
Furthermore, at least in the EU, if Nokia fail to meet their warranty obligations, and you take them to the small claims court - assuming they actually choose to contest it, which large companies have a habit of not doing - it seems very likely to me that you'll walk away with a cheque for £500, which you can use to buy a brand-new N900 with a new two-year warranty.
Obviously, consumer rights are very different in the USA. Over here, though, it's simples - no?