can I buy a new iphone 4s (factory unlocked) to replace my second hand one and put my present straight talk sim card in ?

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mww

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Aug 27, 2014
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I bought an iphone 4s 2 years ago on ebay ...fine. Activated it with Straight Talk byop. fine. Now I want to buy the same phone , unlocked, new. Can I simply take my present sim card , put it in the new phone ? Can it be that simple?
 

ulwireless

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Aug 12, 2017
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There were a couple of iPhone 4S models but not the huge variations we see like in the newer iPhone models:

iPhone 4S (Global) A1387
iPhone 4S (China) A1431

I'm going to assume your SIM Card is a Straight Talk (GSM-A) or (GSM-T) SIM Card and not a (CDMA) or (PCS) SIM Card? If so, it will work in either iPhone 4S model. (I've seen a few of the A1431 models in America that were purchased on eBay but almost all are the A1387.
 
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