Can I put a UK pay-as-you-go SIM in my US unlocked iPhone 4S?

I have an unlocked iPhone 4S (purchased from Apple) and I want to use it when travelling to the UK next month. However, I can't afford to pay international rates so I want to switch my American T-Mobile microSIM for a UK pay-as-you-go microSIM. Am I likely to encounter any problems if I do this?
Thanks.

personally I would avoid them like the plague
They sell iPhones as unlocked at same price as Apple , forgetting to mention they willl lock to the first sim used
hardly ethical
Go to a carrier store

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Unlocked iphone 4 - can i use pay as you go sims abroad?

hi
if i was to buy the iphone 4 from apple, as they come unlocked from there, would i be able to buy a pay as you go sim in america and use it in it, as i will be spending the summer there, and then buy another pay as you go sim and then use that instead in switzerland?
thanks!

The ones sold unlocked in the uk can be used in any carrier worldwide, so I would say yes

I have pay as you go sim, how can I register my sim ?

I have EE pay as you go sim.how can I register my phone number ?

You have three options available.
Speak to the upgrades and retentions department.
Go into a EE store.
Go through a third party, like Carphone Warehouse for example.
If you know which PAYM SIM you would like, going into store would be the easiest option. You will be given a new PAYM SIM and your number will be moved from PAYG to PAYM within 24 hours. However, the only downside to this is; you can not cancel if you change your mind.
However, you can cancel within 14 days if you change your mind and you have upgraded over the phone. You will have to wait for the SIM to be delivered through the post.

I live in the uk , can I use a pay as you go sim in my iPhone 4S in United States

I live in the uk and have an iPhone 4S, can I use a pay as you go sim in the United States ?

Yep.
But, the US is not like Europe...your choices are very limited, as in only one real choice: T-Mobile.

Can I use my unlocked iphone on a pay as you go SIM card?

I recently bought an iPhone 5 unlocked on the apple store UK. I am wondering if I can use a pay as you go SIM card with a top up card. I don't want to pay anything monthly. I just want to be able to top it up. Can I use pay as you go if it is unlocked?

If the carrier you wish to use has a pay-as-you-go iPhone plan, then yes, you can. It's a matter for the carrier and not something to do with the iPhone itself, as long as it's truly unlocked.
Regards.

I've just bought an iPhone with a vodafone pay as you go sim. There should be a 12digit pack number for me to activate the sim and the credit. Does anyone know where i can find the code?

I have just bought an iPhone with vodafone pay as you go sim. It was meant to come with a freedom freebie credit allowance. However I need a 12digit code to activate this. There is no code on my receipt. Where would I find this?

I bought this online through the apple store. I have no one to contact but to ask the community!

Unlocked old iPhone 3GS for use with pay as you go sim in the UK on vacation. O2 sim works while ph plugged in. Unplugged, works short time and crashes. Sometimes won't even re-boot. Software on phone up to date as far as 3GS goes.

I brought an old IPhone 3GS to the UK on vacation for use with sim card. I had the phone unlocked with approval and instructions from ATT. Store in the UK recommended O2 pay as you go sim which works as long as the phone remains plugged into the wall. Once unplugged, it will work for a short time and then always crashes. Sometimes it will re-boot and crash again and sometimes it will not re-boot at all. One store told me to sync with itunes which I did on my Mac Book. I don't know if the sim is defective or if the software of the 3GS is just not compatible with the sim when on the battery. I have updated the software on the phone as far as it will go. Any suggestions? Maybe the phone is too old to use with the latest pay as you go sim cards. I am disappointed that this phone has not been reliable as a pay as you go and I have had to purchase a UK phone here in order to have a reliable phone.

There is nothing you can do. You bought an illegally unlocked phone off Ebay. A lot of sellers there will tell you it is unlocked but the first time you try to update the operating system it will put the lock back on to the carrier the phone was originally locked to. Sorry but unless the carrier it was locked to will unlock the phone I am afraid you have a very expensive paper weight now. You should have bought it from a reputable dealer instead of ebay.

I am moving from London to NYC for a year, will i be able to use my iPhone over there and insert a pay as you go sim?

I wondered if anyone can advise me on whether its possible to use my iPhone in NYC by getting a pay as you go sim in the US? Do companies offer pay as you go sims over there as i wont have a credit rating.
Thanks!

The only supported GSM carrier in the US is AT&T. They will not permit the use of pre-paid SIM cards in the iPhone.
You can sign up for monthly post paid service with them and use it just fine (assuming your existing phone is legitimately unlocked).
You can get pre-paid service with T-Mobile or any number of other regional GSM carriers, but not all features of the phone may work properly (or at all).

Nokia c3 wifi problem with asda pay as you go sim

Any advice greatly appreciated.
Bought a brand new nokia c3 on vodafone pay as you go today because I knew that I would be able to use my Asda pay as you go sim with no problems.
Put my Asda sim straight in and everything seems to be in order except when I try to browse the internet through my home wifi it keeps saying I need to subscribe to packet data first. No browser opens up at all.
I use the same sim with my n95 and browse through wifi with no problems.
Am I missing something obvious?

Is your original contract SIM also an Orange SIM? If not, it could be that your premicell is SIM-locked to the original network. If this is the case you'll need to contact the operator with which you have the current contract and ask them for the network unlock code.
I'm not entirely convinced of the 3G vs. 2G argument because I have hade several really old phones (Philips fizz and Xenium 9@9, Alcatel BE4 to name but 3) that dodn't even do GPRS, only CSD, but which did accept my Orange USIM no problem.
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When i restore my backup from computer why do my minutes texts and data gets removed from my pay as you go sim card

when i restore my backup from computer why do my minutes texts and data gets removed from my pay as you go sim card?

As long as it's unlocked it will work with any SIM, incl. EE SIMs.
If you buy abroad you need to ensure it is compatible with UK mobile frequencies, on which I cannot advise.

HT4972 when will pay as you go starter packs be available for iphone 5

when will pay as you go starter packs be available for iphone 5

The guy who makes them is on vacation this week, when he gets back I'll ask him .

Best Pay As You Go sim UK

For when my iphone arrives I got o2 to send me there rext and web micro sim, which for a £10 top up gives me 300 texts, 500mb of data and the £10 left for calls. What I was wondering is, does anyone know of any pay as you go sim cards (preferably where you only have to top up £10) that will give me more data/texts?
Message was edited by: Nathan_b

I think this is the best deal. I would say wait until Monday when THREE may have a deal, which may be better perhaps 1gb of internet, and similar texts or more. Plus free 3 to 3 calls.
Orange has similar deal to yours but 250mb internet but with magic number and orange wednesdays!
Regards
Vinny

I ordered 2 pay as you go sim cards. I don't want your "everything pack", help!

I ordered online 2 x pay as you go sim cards. When confirmation came through it said I ordered 2x "everything pack" sim cards, I do not wish to get this kind. I simply like to staight forward pay as you go sim cards!
Please help. Thank you.
Regards,
Eva Donkin
xxxxx@xxxxxxxxx

EE don't supply vanilla PAYG SIMs these days. As soon as you get them & before you top up text STOP PACK to 150. You may have to pay for just 1 month of Pack.

My pay as you go sim wont work in a secondhand iphone 3 it was o2?

my pay as you go sim is not working in a second hand iphone 3 wich did have a o2 sim any help please?

It would seem that the iphone is simlocked, you will either need to get the iphone unlocked by 02 or change to 02
Hope this helps
Jamie

Can i get a sim card for an unlock iphone 4 to use outside the country

can i get a sim card for an unlock iphone 4 to use outside the country? i bought an iphone 4 unlocked but it didnt come with a sim card and my old phone the sim card wont fit so where can i get a sim to fit and work in the new iphone 4 in another country.

You would get it from whatever carrier you were going to use.

Can I put a UK pay-as-you-go SIM in my US unlocked iPhone 4S?

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