Subscriber Identity Module: the chip card enabling access of a mobile device to an operator network.

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1answer
625 views

iPhone 6 Initial Power Up SIM Card Locking?

First, my question: Does swapping out a foreign SIM for the Sprint SIM that comes in new Sprint iPhone 6's prior to the first power up in any way prevent the iPhone from being locked by Sprint for ...
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0answers
49 views

How to get on-demand monthly plans back for iPad?

When I purchased my iPad (3rd gen) for use with Verizon, it came with a sim that I could use to buy data on-demand for a month at a time without contracts or activation fees every time I turned it on ...
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0answers
200 views

Is there any way to read incoming SMS on cellular iPad or redirect them to email/other phone number?

I want to log in on a web-site to manage my sim-card services. To do this i should know a one-time password, which will be sent to my number while sim-cars is used on iPad. Is there any way to read ...
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0answers
213 views

How can I enable Fixed Number Dialing on iPhone 3G?

FND is a sim card feature that allows you to restrict outgoing calls to a fixed list. It is usually used by either businesses to restrict an employee phone, or by parents to restrict a child's phone. ...
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0answers
205 views

Could a Verizon 4G LTE SIM activate an unlocked iPhone 5s?

I'm getting a used, unlocked iPhone 5s tomorrow, and I will not be using it for mobile services -- just as an "advanced" iPod Touch. I will, as I understand it, need to have a SIM card to activate it. ...
0
votes
1answer
24 views

If I change the sim in my iPad4 (retina) will I have to set it up again?

I've changed providers and gotten a cheaper plan for my iPad. (Running iOS 7) My question is: If I change the sim in my iPad4 (retina) will I have to set it up again?
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1answer
52 views

can I activate three 3GS iphons if i set them all back to factory setings useing itunes?

I was wondering if I have 3 3GS iphons and they are all locked and i set them back to factory settings using iTunes if i could activate them and just activate using one Sim card and then use them just ...
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0answers
514 views

Disable simcard or phone on Verizon iPhone 4

I have Verizon CDMA iPhone 4 iOS 7 jailbroken, with no simcard slot. I'm using it as an iPod, because there is no Verizon in my country and I would like it to stop looking for signal, because it's ...
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1answer
62 views

What do I have to do on my iPhone or in iTunes if my number changed?

I switched to a new provider yesterday, and I'm gonna receive an iPhone 5s from them later today. But as the cancellation of my plan with the previous provider isn't completed yet, the SIM card coming ...
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1answer
3k views

Mobile internet doesn't work

I have an iPhone 4s that is locked, but I'm using a Gevey SIM. Just recently I transfered from one operator to another and I can't get my internet to work, while everything is fine once I'm on Wi-Fi. ...
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1answer
196 views

Can I use my iPhone 4 sim in another iPhone 4

I was just wondering if I am able to use my current iPhone 4 sim in another iPhone 4 because my current phone is breaking. Thanks
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0answers
21 views

How can I check if an iphone is sim unlocked already? [duplicate]

For the iPhone 4S and 5, is it possible to easily check if they are sim unlocked ? If so how ? I've already seen this question but sounds a bit more complicated than I hoped. What's the simplest ...
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votes
1answer
1k views

Activating unlocked iPhone 4s with SIM but without contract?

I'm in a research lab where we're looking to get an iPhone 4s to use as a speedier iPod touch. We don't want a cell phone contract, and we want to avoid jailbreaking or borrowing a SIM card just for ...
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votes
3answers
7k views

I tried updating my iPhone, but now it says “SIM is invalid”

I have an iPhone 3GS 32GB. I have just tried updating the phone using iTunes. The phone is second hand, and was unlocked when I bought it. I didn't know that when you try to update it, it loses ...
0
votes
1answer
572 views

Will I be able to use an unlocked AT&T iPhone 3GS with European carriers?

Moving to Austria in two weeks. I have an iPhone 3GS that has been unlocked by AT&T. Will I be able to use my iPhone 3GS with European carrier sim cards once I get there?
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votes
1answer
10k views

Can I use wifi on my iPhone 3G without a sim card? [duplicate]

Possible Duplicate: Can you use an iPhone without a SIM card as an iPod Touch? I bought an iPhone 3G that is currently off and doesn't have a sim card. Is there any way I can enable the ...
0
votes
1answer
675 views

My iPhone 4S running iOS 5.0.1 recently started showing “invalid sim” message

I recently forgot to pay for my cellular service, and when I paid the service my iPhone keeps displaying an "Invalid sim" message, then I have to reboot to recover the service. The phone is working ...
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0answers
430 views

Why does my iPhone 3GS drop service and delay receiving of data?

I have a 16 GB iPhone 3GS. The phone is dropping the network sporadically. I am in a metro area that should have full coverage. I know I should have service, because I can sit right next to someone ...
0
votes
1answer
481 views

From a jailbreaked iphone 3g 4.1 (foreign sim locked) to 4.2

A friend of mine bought an iphone 3g with a sim card in another country. Some months ago he gave me this iphone, but he forgot to give me the sim too, so I've jailbreaked it leaving the sim-lock, that ...
0
votes
1answer
55 views

How to tell if iPhone's SIM port is working even though it's locked?

Is there any way to know if my phone's SIM port is working, even though it's locked to Sprint and I don't have access to a Sprint SIM? I tried using another one but it says "no sim" instead of "no ...
0
votes
1answer
287 views

iPhone 3GS no sim error

I got an iPhone 3G from a friend and it is showing "no sim card" and I know the sim card is good and it won't let me do anything but phone start up. Can anyone help please?
0
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1answer
253 views

Can I use the T-mobile contract free iPhone 5S with my AT&T number?

I am thinking of purchasing the contract-free 5S because my contract with AT&T just expired, and I will only need the phone in the US for a few more months. Will I be able to use my AT&T sim ...
-1
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1answer
152 views

An iPhone with dual sim capability?

Is there any iPhone model with official dual sim capability?
-1
votes
1answer
1k views

Are there any cons to buying a used iPhone 4S unlocked by a Gevey sim?

In comparison to a factory unlocked iPhone, are there any cons to buying a used iPhone 4S unlocked by a Gevey sim?
-1
votes
1answer
52 views

Old iPhones unable to find wifi nework

My Dad has an iPhone 3g. I have an original iPhone (2g) Neither of them have the ability to find a wifi network anymore. They have SIM cards in the, but the SIM cards are disabled (not activated ...
-15
votes
1answer
17k views

Can I get a new SIM card for iPhone I found?

I found an iPhone lying on my table. I called every person I know that was in my house to check if it was theirs. No one said it was theirs. I waited a month later, keeping the iPhone in my drawer. I ...