Travelling to U.S. with unlocked iPhone... Suggestions for SIM card use?

I have an unlocked iPhone 3G and will be in the U.S. for 3 weeks.
I would like to have all available 3G services while visiting, but could settle for text and voice.
Where can I find a prepaid SIM that will work with my iPhone?
Thanks much!

There shouldn't be any issues using a pre-paid SIM card from another provider with an unlocked iPhone, but I have no experience with doing so. Your only other option is signing a contract with AT&T.
There is an easy way to find out. Purchase a pre-paid SIM card at an AT&T store. If there is a problem using the pre-paid SIM card while you are at the AT&T store and they are unable to resolve it, return the card and get your money back.

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Use unlocked iPhone without a SIM card.

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I have unlocked iphone 5.i tried to use it with tmobile.it shows full network but fails to activate and shows sim invalid.how to make it work?

i have unlocked iphone 5.i tried to use it with tmobile.it shows full network but fails to activate and shows sim invalid.how to make it work?

Who was your original carrier; did you call them to ask them to unlock your phone, and are you aware of what their unlock policy is (THey may only unlock for international sims and not US sims

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Hi Allan,
Thanks for asking, I knew I had forgotten to mention something. The phone was indeed unofficially unlocked, since there were no apple stores or even premium resellers in the region I lived in during the given procedure had to be done.
I understand this could be a further complication, especially the fact the home button does not work. However, I was wondering if there would be a possibility to use a third-party application instead of iTunes to restore the iPhone? IF someone does know of such an application, I could easily solve further problems myself. Basically, the main issue here is my lack of ability to enter DFU mode.

The SIM card In my iPhone 5 has been giving me occasional messages that there has been a SIM Failure, there is NO SIM, or that there is an INVALID SIM. Until today, I was able to restart it with no problem and the SIM card would start up.

The SIM card In my iPhone 5 has been giving me occasional messages that there has been a SIM Failure, there is NO SIM, or that there is an INVALID SIM. Until today, I was able to restart it with no problem and the SIM card would start up. This afternoon the NO SIM message came up and I cannot fix it. What is my next step? I am traveling in Canada now and it is not convenient to come back to the States just to get a SIM card.
Thanks,
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Hi,
Thanks for getting back to me. How can I initiate Verizon sending me a new SIM card? I will be here long enough to receive it if they can send it to me.
I have been trying to call Verizon Wireless, but they won’t take my call from my Skype account and I don’t have my phone.
Thanks again,
Lou

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You cannot download the same Apps that you have on your iPhone. They are two seperate stores.
The store you have on your iPhone is the same for any iDevice (iPad, iPhone and iPod)
The store on your MacBook is only for Macs.

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I have been having trouble with my iphone 4 for the past day . i tried to update it to 7.0.4 then the screen went blank and it keeps telling me to connect to itunes . I have connected it to 2 computers , using different cords and it doesnt recognize it . It says it is in recovery mode and i need to restore . after clicking restore it says that my iphone cannot be restored . I am very frustrated because i have been online searching for solutions all day and nothing seems to work . As soon as i turn on my phone it goes to the apple logo for about 2 seconds then the connect to itunes screen . SOMEBODY PLEASE HELP ! my phone is my life and i need it back on .

Connect the device to iTunes and restore from the most current backup.
If the issue continues, restore as new.

How can I transfer video taken with my iPhone to my iPad WITHOUT using a computer or iTunes? I'm going to Europe for a month and want to use my iPhone to take pics and video, then come back to the hotel room and use my iPad to edit/store each evening.

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here is a cheaper solution than camera kit and a lot easier if you have WIFI available.
I use the PhotoSync APP (I think its a $1.99) will transfer videos and photos over WIFI to any other IOS device or even PC/MAC. Great app since I like doing video and photos on my IPHONE and transfer to IPAD2 without synching through computer or doing cloud based storage.
You can even send photos/videos from your MAC/PC to your IOS devices that way too. Makes it so much easier.
Here is the link;
http://www.photosync-app.com/

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You cannot. Japanese carriers will not unlcok the phone. There is no legitimate way to unlock a Japanese iPhone.

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I have a at&t cell phone with a 3g at&t sim card can I use it in my at&t 3g Iphone?????

i don't think att and verizon use the same technology in their phone
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Then you may have to try manually resetting the syncservices folder by following Julian Write's post (from https://discussions.apple.com/message/9274781#9274781):
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Although it's not advised to do so in normal circumstances, you'll need to manually delete the SyncServices folder.
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In Address Book, choose *Export > Address Book Archive...* from the File menu.
In iCal, choose *Back up iCal...* from the File menu.
Then, make a backup of the SyncServices folder located at:
~/Library/Application Support/SyncServices
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Finally delete the aforementioned SyncServices folder and restart the Mac. This will force Mac OS X to recreate the SyncServices folder, and hopefully fix your problem.
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Yes.
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Hi, Nurlynn.
Thank you for visiting Apple Support Communities.
I would need clarification on this issue to provide a better answer. However, here are a couple articles that I would go through when experiencing issues with the Mic and Camera.
If your voice is too faint or sounds unclear using iPhone, or iPod touch
http://support.apple.com/kb/ts5183
Get help with the camera on your iPhone, iPad, or iPod touch
http://support.apple.com/kb/HT6350
Cheers,
Jason H.

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my unlock iphone shows no sim and no service.
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A little more information, please. Did it ever work? Have you upgraded or restored it recently? Who unlocked it, and how was it unlocked?

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Are you looking for the serial number or the IMEI? If the phone was active on your Verizon acount, Verizon can give you the IMEI.

Travelling to U.S. with unlocked iPhone... Suggestions for SIM card use?

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