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Thread: Using Global Upgrades on Delta (GUCs) post 2/1/2022 Changes
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Old Nov 26, 2025 | 10:37 am
  #2014  
safigan
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Join Date: Jan 2008
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Originally Posted by cnc2002
I'm aware of the rule that you can only be upgraded one level (Economy to PS) and that it take a 2nd certificate to upgrade all the way to D1.
Unless I was given incorrect information from multiple agents, it's not possible to use one cert to upgrade to PS and then a second cert to upgrade to D1. If you want an advance confirmed upgrade to D1, you have to purchase PS.
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