iPhone 4S SIM card

My wife has an iPhone 4S purchased at Verizon, and it died. This is our opportunity to switch to Ting. So I purchased an iPhone 4S that is unlocked and compatible with Sprint or Verizon (on its way). Can I simply use the SIM from the old Verizon phone, or do I need a Sprint specific one?

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13 comments
  • Hi Monte,

    We do not require SIM cards. We use a technology called CDMA that allows us to port numbers directly on to the phone itself, no SIM required. If you find a device that states "Unlocked" then the chances are that this is a phone that is not compatible with Ting.

    For any device coming to Ting it needs to meet the following criteria:

    I hope this helps.

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  • Is there any way to tell if the device will work before I switch her off of Verizon officially?

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  • This is the description of the iPhone I purchased:

    "This iPhone 4S 32GB has been unlocked from Sprint and comes with the unlock code you need for your carrier."

    So maybe that means the phone is from Sprint and may work?

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  • Monte, check out this post: https://help.ting.com/entries/28085933-iPhone-FAQ

    From that post: 1. Check your model numbers which you can find in small print on the back of your phone (the model will start with the letter A followed by 4 digits). Your model will need to be an A1349 and A1387 to work on Ting.

    Those models will work as long as the ESN is clear. And one more thing if you are planning on porting your number to Ting be sure not to cancel your account the porting will do that, and you can't port a number from a cancelled account.

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  • Monte, one other thing that description sounds like some I have seen on Ebay in the past. They have a generic add and insert the carriers name. I would try to confirm the model number before I paid if that is the case.

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  • I don't have the model number but I do have this:  MD244LL/A

    Doing a search on ebay brings up "Sprint" on them, but I guess I'll know for sure when the phone arrives.

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  • Monte I'm not for sure on this but that appears to be one bought unlocked from Apple. I think they made some GSM/CDMA versions and this appears like it could be one of those. I'm not an expert but I'm afraid this will not work. Ting has to only allow phones on its network that its network provider, Sprint, will allow. From what I see it has to be a phone from Sprint to BYOD to Ting.

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  • So you are saying Sprint itself would not allow this phone on its network? The description does say Sprint or Verizon.

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  • I am saying that is likely the case. I am far from an expert, but CDMA phones aren't really available "unlocked" ( I really wish people on eBay wouldn't advertise them that way).  What locks a CDMA phone to a carrier is in the firmware itself from my understanding. Check out this article it likely has more detail than you ever wanted to know about phones and unlocking: http://theunlockr.com/2010/09/15/unlocking-101-difference-between-cdma-and-gsm/

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  • It is A1387 so heres for hoping :)

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  • Awesome... glad I was wrong once again :) If its that model looks like you should be in business.

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  • Thats definitely a supported model! Hopefully it will be the model coming from Sprint and not Verizon!

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  • It appears to be a Sprint phone with the unlock codes.

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