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The iPhone 4S is a global phone. There is no physical difference between one being sold on CDMA carriers or GSM carriers. All of them do have a SIM card slot. If your iPhone doesn't have a SIM card slot it probably is the iPhone 4 CDMA version. Both the iPhone 4S sold on GSM and CDMA have the model no. A1387 on the back of the glass. How to Determine if iPhone is GSM or CDMA. First you’d need to know if the Sprint iPhone is unlocked (an unlock can usually be requested from the mobile provider after the iPhone is paid in full), and second if it’s compatible with Tracphone. There is absolutely NO slot on the 4 for a SIM. Bad information! I am commenting on.

This is usually probably appears like a FAQ but I haven't observed anything certain as of today.I possess a CDMA-0nly Verizon iPhone 4 (not a 4S) that recently arrived off agreement. I'm conscious that it's CDMA just and GSM carriers like ATT can do nothing with it additional than admiré it as á solid iPod Touch.

I'd like to discover options, mostly to lower my expenses (I have no vendetta ágainst Vérizon, it's purely a cost issue).So, network wise, are there any networks I can slot to? I wear't think Verizon has a MVNO in the Chicago area. Various other than frequencies, is there anything I need to do to check compatibility with another network?As much as unlocking, do I require to jailbreak my cell phone to modify providers? Or is usually this something Verizon will perform (since it's off contract).If I require to jailbreak, is usually it a permanent jailbreak, or is it probable to change a couple settings and after that I can revert back again to monitoring present iOS?Are there any US providers that can use the cell phone?

Cricket seems to restrict it's network to Cricket-sold mobile phones. Can Straight-Talk handle it?

Not most likely unless Verizon wants to release that cell phone for another transporter. Have got a look at this information on identifying iPhone designs:.The iPhone 4 you have is model A1349 (that should become published on the back of the device), and if so, it can be a pure CDMA telephone therefore you cannot connect it to a GSM carrier credited to varying radio technologies.Actually if you had been to jailbreak it or obtain Verizon to unIock it, it's just heading to work with another CDMA transporter.Therefore in the Us - you need to find a transporter with insurance coverage in CDMA EV-DO Rév. A (800, 1900 MHz) and that's primarily Short and Verizon. Mainly because much as I can keep in mind, Verizon utilizes CDMA networks (as opposed to everyone eIse on GSM). Yóu can identify your mobile phone design by looking at Apple chart.If the serial amount of your iPhone 4 starts with A1349, after that your cell phone is certainly CDMA and no 'big' network will accept it additional than Verizon. But not all is usually really lost.ATT ánd T-Mobile (and Europe for the matter) make use of variants of GSM which is usually not suitable with CDMA.Therefore if your cell phone will be CDMA, the response to your query can be: Only Verizon can use it (it doesn't have a SIM card as considerably as I can keep in mind). (This is not 100% precise).Now, will Verizon unlock it?

Perhaps if it't off-cóntract but l'm not sure how they work. ATT would perform it.Jailbreaking the phone gained't (as considerably as I know) provide you significantly, because the issue is not in the software, it's the hardware. The communication through CMDA utilizes various frequencies than thosé of GSM.Now, the reality is, that there are usually other companies (depending where you live) that will make use of the Verizon Network (these are usually called rate-2 or tier-3 businesses) and are usually usually regional smaller businesses that 'lease' the large guys system (and pay them for that!).These smaller sized services are usually more versatile because they are small and even more efficient. You named Straight-Talk which is certainly a good illustration because they rent Verizon's system and should have CDMA. You might desire to speak to them to see if they can help you with this. So, since somebody tracked me down to inquire what we did, I figured I'd posting a followup.

I earned't take this as an answer since we're also not actually satisfied with it - it's simply the best choice for today.We chose to select (drumroll) Verizon!In the time that I submitted that and the period we made the decision to switch, Verizon developed a smartphone pre-pay plan. No Verizon compatible, BYOD MVNO is available in my region (I attempted StraightTalk, they currently don't accept the phone, not certain why not).Our selection is great, not great.GOOD:. Properly, same system, same services, same system quality. Much cheaper month on 30 days, we conserve around $45 or therefore (though I still drool at some various other, cheaper programs). No mobile phone number porting hassles.BAD:. This is certainly a lower tier strategy. I knew you could.

Associated to Price Discrimination above, this is 3G only. Irrelevant for our iPhone 4 debate, but may affect people looking for CDMA options. Every contact offers the 'The period obtainable for this call will be ' with 999% of those calls getting 'Limitless'.

Please just drop the information unless it'h billed by moment. No visible voicemail. Back again to calling.86 to examine. EDIT: upgrade to iOS7 fixed this, though nevertheless buggy on message matters some situations. No visual indicator of any voicemail message. We've happen to be to the shop a couple times, and they can't repair it.

Also updated from iOS 5 to iOS 6 (this is certainly a iPhone 4, therefore no real advantage presently there) and didn't work. Amount (for right now) check after every missed contact. You drop accessibility to your present myVerizon accounts, need to make a brand-new, much much less useful account. Payment on myVerizon will be difficult to find what they billed you for.

Is this overage because of roaming (we proceeded to go to Canada for a vacation), will be this one because of data overage? HeIl if I cán inform.

Billing also has weird timings. One costs told us our mins exired on the 20tl, the 22nn, and the 24tl. We under no circumstances thought out when they actually did terminate.In short, it helps to save 45 or so a month, but you put on't get the same program. On stability worth it for us. Try out Page In addition Cellular, no issue transferring a verizon iphoné 4 to web page plus as lengthy as it provides a clean ESN / MEID. Page As well as Cellular is definitely a Verizon MVNO and utilizes the Verizon Network. I possess activated 4 iPhone4'beds (plural, not 4s) that were initially Verizon cell phones.

The service process had been painless and you can obtain a variety of pre-paid (purchase minutes) or programs (starts at $12/month). For example I'm paying $29.95 / month for 1200 minutes chat, 3000 messages (txt and multimedia system) and 250MC data. However Verizon is the owner of the Wi-fi Hot Spot app and its not accessible for use on MVNOs. I wear't know if any third-party WiFi aps or hacks are accessible or may be available in the future.