Sorry, but I don't know anything about the phones you name here so I cannot offer any insight to your questions.
Let me point out that your question is about these phones and not about micro-SD (uSD) media cards themselves. I know a few things about the cards and so I came to your post in hopes I could share what I know. Perhaps a more careful choice of subject line will result in more answers that are more useful to you.
I can comfirm that 32 GB Micro SD cards work in the Prevail. I just installed a Lexar class 10 in both mine and my wife's phones. I believe that 32 GB is the largest that will (reliably) work, according to Samsung.
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