A pay-as-you-go plan, just like its prepaid and postpaid counterparts, will have its advantages and disadvantages. Ultimately you need to take these pros and cons into consideration to help determine if PAYG is the right option for you. Fact – it is BS and unnecessary for ATT to make it so hard/restricted for customers to use a variety of cell services incl some that iphone can provide, and does elsewhere in the world. That's only half of what makes them so appealing, though. People also love the flexibility that an iPhone SIM only plan offers. Get an iPhone 4 off contract with a micro sim (FYI: you can buy iPhone 4 without contract directly from AT&T or Apple, but it’s expensive)

When choosing a PAYG plan, there are a few things you’ll want to keep in mind. Firstly, you’ll want to set a budget, and also consider how long you want the plan to run for. Once you have a clearer idea of how much you’re looking to spend, you’ll want to compare plans around this price point. While PAYG plans are mostly a long-expiry plan, prepaid plans are also available over a longer billing period. The difference is that with a PAYG plan, you’ll have that length to use up your credit, while with a prepaid long-expiry plan, you’ll need to ration out your inclusions — mostly data — to ensure it lasts during that time. With both cases, if you run out of credit or inclusions before your plan expires, you’ll need to recharge. Do I need a pay-as-you-go mobile plan? When choosing a cellular service, pay careful attention to the coverage area offered and make sure that service offers voice, texting, and cellular data coverage where you'll be using the phone. Then, focus on the fine print, especially when it comes to wireless data usage. Make sure that the advertised "unlimited plan" is truly unlimited. Now that you have the pay-go calling part taken care of, you can get data working too by installing a custom APN. I messed it up somehow during one of the 20xs that i’ve jailbroken it. Fixed it yesterday and now i have service using the gophone SIM.

If you go SIM only, you're free to leave your contract at any time with no penalty and can upgrade to the newest iPhone models as soon as they go on sale. Why choose an iPhone SIM only offer? AT&T will recognize from the IMEI and ICCID that this is an iPhone 4, they will say that while they can do the transfer you will not be able to use the internet (read on for enabling data). Agree to this, and get the pay-go line transferred to your new micro sim

Perhaps you’re trying a prepaid card that’s still tied to the phone you bought it with? If I recall you can’t pull the SIM out of an existing Go Phone to use in an iphone for the first 90 (?) days. I have the iphone4 exactly what phone/sim card do I need to buy before I make the call to AT&T? or is there someplace that I could go to just have someone do this for me? Overall, a PAYG phone plan does have its advantages, but you’ll really need to consider if it’s the right option for you. These plans aren’t as common as they once were, and many providers might make it hard to find. However, if you think a PAYG plan is right for you, compare what’s on offer to ensure you find the best plan for you. Is a PAYG phone plan worth it? You can always trust iMore. Our team of Apple experts have years of experience testing all kinds of tech and gadgets, so you can be sure our recommendations and criticisms are accurate and helpful. Find out more about how we test.First I went to ATT&T store who told me it could not be done because there were no micro GoPhone SIMs. Is it enough to call ATT and tell I changed phone and give iPhone’s IMEI? I don’t need mobile data currently, but need calls and maybe texting. Once you get a “Profile Installed” message, your custom APN profile will be working. Now restart the iPhone 4 and try using your data plan, it should work perfectly. You may want to temporarily disable WiFi on the iPhone to be sure that your are using the data network and not WiFi while you test this.

Each of these service providers will sell you an iPhone 4, iPhone 4S, or iPhone 5, or in some cases, an iPhone 5S or iPhone 5C, at a nonsubsidized rate. Or you can reactivate your older iPhone with one of these services for just the price of a new micro-SIM card and the monthly service fee. To a school, organization, company or government agency, where Pearson collects or processes the personal information in a school setting or on behalf of such organization, company or government agency. Provide the old pay-go sim card ICCID number and the new micro sim ICCID (from the new iPhone 4 About Screen or iTunes) DO YOU WORK, OWN, OR HAVE SOME SORT OF CONNECTION TO AT&T?! BECAUSE YOU ARE JUST HATING THE FACT THAT EDWARD IS A GREAT GUY, THAT IS HELPING A COUPLE OF PEOPLE THAT AT THIS BULL “CAPITALISM” MOMENT CANNOT AFFORD TO PAY FOR SUCH SERVICES THAT YOU STRONGLY BELIEVE WE SHOULD BE PAYING FOR…?! Uswitch Limited is authorised and regulated by the Financial Conduct Authority (FCA) under firm reference number 312850.Like so many other services, the unlimited data aspect of the plan includes 2.5GB per month of 4G service that, after it is used up, throttles down to 3G connection speeds for the remainder of the monthly billing cycle. Where required by applicable law, express or implied consent to marketing exists and has not been withdrawn. O2 iPhone SIM only customers also quality for some great benefits, such as money-off incentives and priority booking for events at O2 venues. In comparison, a prepaid plan will include a set amount of calls, texts and data to use within that expiry period — if you happen to use up your inclusions before the expiry, you’ll be without your inclusions until your next recharge, or you’ll need to add on extra inclusions.