How to activate unlocked iPhone 4s using Straight Talk?

I bought a used unlocked phone on ebay and have a 45 dollar Straight Talk service card and at&t sim card but I'm very confused on how to activate it? I don't have any kind of red activation card do I need it?

Who knows

You need a $45 STRAIIGHT TALK SERVICE ACTIVATION KIT… Not a $45 service card and ATT sim. Lmao!

See Wal-Mart, www.Wal-mart.com, or www.Straighttalkbyop.com

to buy 1) $45 STRAIIGHT TALK SERVICE ACTIVATION KIT… 2) 6.99 STRAIGHT TALK NORMAL/MICRO/NANO SIM CARD (depending on your requirements)

if buying online, prepare for shipping costs… Average cost is $55.63…

As for the $45 service card, at least you got Month 2 already paid for. LMAO!

As for the ATT sim, trash it… No longer need that $#&!#…

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