I have tried again, and worked!
My workflow:
Try free account: Fail
Try paid account: Fail
Delete both profiles from iPhone
Try free account: SUCCESS (Initially failed, went to profiles page on Settings, verified from there, took a few seconds, and worked!)
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Initially, it failed for me, but I have posted my workflow for it to work:
Try free account: Fail
Try paid account: Fail
Delete both profiles from iPhone
Try free account: SUCCESS (Initially failed, went to profiles page on Settings, verified from there, took a few seconds, and worked!)