Was a bit sceptic, but it did work! Was also not that easy, but they were very patient, as the login on the H-webpage is a bit tricky.
Thank you, we had great upgrades, 3 times to a 1-bedroom suite, one time to a Junior Suite. Lounge access & free BF was always possible, with the 100% bonus for Diamond, I made easily up the cost for this fasttrack.