SIM Unlocked iPhone now works on AT&T GoPhone Plans

Update: This same process works for iOS 4.2.1 the latest version for the iPhone Finally….after 3 years of searching for a good plan that short timers that come to the US for business or pleasure can use with their iPhone and take advantage of all it has to offer is here. Now…of course they don’t make it straight forward as in purchase a SIM Card, drop it in the phone and you’re good to go. No, that would be to easy for the good old phone companies of the USA. They need to make it a little more difficult than that, but it’s not too bad. First let’s talk about the Pre-Paid Plan. In October of this year (2010) AT&T launched a new GoPhone service that finally makes sense for short time visitors to use their service while in the US. Their new $2 a day plan for unlimited talk and text is a great deal. Basically as soon as you make or receive a call you are charged $2. But then the rest of the day you can call or text as much as you want for that $2. There is also a Pre-Paid monthly plan for $60 ($2×30)…which is basically the same. But if there is a day you don’t use your phone on the $2 plan then you come out ahead. Here’s the break down in the new Pre-Paid plans as of October 2010 (download full brochure here): Now, for those traveling for a short time in the states like I do this works out great. Not the cheapest in the world…but after crunching some numbers it is actually going to be cheaper than my wife’s Pre-Paid plan with T-Mobile that she pays per-minute on. So Step 1 is to walk into a AT&T store and ask for a GoPhone Plan. You can put money on your account based on how long you plan to stay in the US. Here are the different options: Now I chose to put $100 on my phone and push it out to a year so that I can keep the same phone number year after year…which is what I’ve been looking for. So I have $100 to spend between now and Oct. of 2012….on the $2/day plan that’s basically 50 days in the next year I have to be in the States. Seeing that I spend a minimum of 60...

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