Contributor
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2 Messages
How can I use AT&T iphone4 in China？
I'm on business in China。I‘ve used a China-unicom usm card in the iphone4,but it cannot work。
how can I use chinese phone number in China？
Also when I back In USA, My AT&T number can be used as before?
can anybody help me ? thanks a lot!
Accepted Solution
BrianfromNO
Master
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4K Messages
13 years ago
You cannot use a different country's SIM card in an AT&T iPhone 4. All iPhones sold by AT&T are locked to the AT&T network. Any methods to get around those locks cannot be discussed here. You will either have to enable international roaming and buy an international roaming plan, or you will have to use a different phone.
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johninsj
Professor
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3.1K Messages
13 years ago
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sykevin
Contributor
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2 Messages
13 years ago
ok，roger that
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wireless-user
Scholar
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297 Messages
13 years ago
Just back from that part of the world..
Had a couple iPhones on the trip.
One of them had the AT&T International Data Roaming plan, 20MB. 3 days, 20MB should be enough...
Don't think so, especially if you're lost and use the map app.
Next time if we don't get a local SIM (for the unlocked AT&T iPhones) we'll get a much higher data plan.
The 20MB plan is close to useless..
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BrianfromNO
Master
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4K Messages
13 years ago
And just so we're clear, there is no current legitimate way to unlock the iPhone through AT&T or Apple. Any third-party methods undertaken to unlock iPhones run the risk of voiding your warranty, and they cannot be discussed in this forum.
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wireless-user
Scholar
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297 Messages
13 years ago
And just so we're clear, one of my unlocked (AT&T) iPhone 4 died.
Took it to the Apple Genius Bar.
Phone replaced, no questions asked.
Of course, that was my single experience at one Apple store.
They do not have to replace a Jailbroken phone, but they did.
I am a long time AT&T customer, with multiple unlocked AT&T iPhones
Your mileage may vary.
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BrianfromNO
Master
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4K Messages
13 years ago
Yes, but they don't have to, and to suggest something like that is both foolish and inappropriate within this forum.
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wireless-user
Scholar
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297 Messages
13 years ago
Why is it foolish and inappropriate?
I didn't say they would do it for the masses, I didn't say they had to honor the warranty, nor did I suggest anyone try.
I only recounted my experience at an Apple store within the past 2 months.
Had they not replaced the phone I would have tossed it in the trash and either bought a new one or witched to something else.
You need to chill out, you don't know everything there is to know about Apple's practices.
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BrianfromNO
Master
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4K Messages
13 years ago
There's a fine line between recounting your experiences and advocating that others do something which not only risks invalidating their warranty but also runs counter to the guidelines of this forum.
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dwill05
ACE - Master
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10.4K Messages
13 years ago
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