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

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1
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2answers
65 views

Leave iPhone on when changing SIM card

I have to switch quite often between 2 SIM cards on my iPhone. I always used to turn it off to do that, however, it seems to work just fine even if I leave it on. Can it harm my iPhone or SIM card or ...
1
vote
1answer
33 views

iPad LTE edition and SIM from smartphone

I am thinking if it is possible to use my phone's SIM card in iPad's SIM slot? This because I need the 4G just only very few times, so when it will be necessary to use it, I will move the SIM from my ...
1
vote
1answer
80 views

How to forward iPhone messages to Macbook or iPod?

I'm currently studying abroad in England. I have an iPod touch, iPhone 5, and Macbook Air. I recently took the SIM card out of my iPhone and received a UK Sim card so I can use data and texting here ...
1
vote
1answer
231 views

iPhone 4s not activating fully with AT&T sim

I bought a used iPhone 4s from eBay and, of course, when I recieved it, it was inactivated. I put in an old At&t sim I had in the house (not sure where it came from as I've never had At&T), ...
1
vote
0answers
108 views

Apple hardware iPhone 4s SIM card

Can I set up my new iPhone with the SIM card it came with and then switch back to my old SIM card next week? Will it change my phone number or change anything on my phone at all?
1
vote
0answers
6k views

How can I activate iPhone without a SIM card?

I've just changed the screen on an iPhone 4S with iOS 6.0.1. Everything went fine until I noticed that the phone was not detecting any SIM card. It doesn't matter what you do with the SIM bay, the ...
1
vote
0answers
192 views

No SIM card installed message all of a sudden

I have an iPhone 3G. I have been using it since the past 7 months. Recently, it started showing a 'No SIM card installed' message.. The SIM works well on other phones. The weird thing is, another SIM ...
1
vote
3answers
6k views

No SIM Card installed error in iPhone 3g

My iPhone 3G is showing No SIM Card installed Insert a valid SIM With no PIN lock to activate iPhone It is in Emergency mode so please give me a solution if there is..? It happened when I am ...
0
votes
2answers
166 views

Unsure of how to achieve my usage scenario with a repurposed iPhone

I live in the USA. I want to purchase a used iPhone 5 and repurpose it and activate it with my existing Apple ID, and use it as if it were an iPod touch, without a service contract from a phone ...
0
votes
1answer
352 views

Play The Sims 3 on Mac with Intel HD 3000

Can I play The Sims 3 on my MacBook? It has only an Intel HD 3000 integrated graphics chip.
0
votes
1answer
205 views

Is the iPhone 4S hardware compatible worldwide with other SIM based networks?

I particularly want to know if iPhone 4S can work with other networks that use SIM cards when the device is authorized to be unlocked. With these conditions, can it take a SIM card when traveling?
0
votes
2answers
7k views

WhatsApp on iPhone: how to switch to a new phone number without losing anything?

I have a long history of chats, several groups and multiple contacts (who have me in their address books) on Whatsapp for iPhone. How can I preserve them all if I switch for a week to a new SIM card ...
0
votes
1answer
264 views

Is it possible that a self cut micro sim is killing an iPhone ?

When Apple introduced the iPhone 4 there where many mobile providers that didn't have micro sim's available so at that time I cut one with a sim card cutter into micro format. Since then I'm using ...
0
votes
1answer
450 views

Does the iPhone's passcode protect the sim?

So my iPhone was just stolen. I have a long - 8 digit - pin. I'm also on the beta version of iOS 7. I think I have Find my iPhone installed and enabled. It's apparently "offline" - it's standard ...
0
votes
1answer
85 views

Using Verizon iPhone 5s internationally

I have a Verizon iPhone 5s and live in the US. It's not unlocked/jail broken. I'm traveling to Scotland next week for 7 days. How can I use my phone primarily for calling back to the US and within ...
0
votes
1answer
22k views

Sim Not valid when activating my iPhone

I have a unlocked iPhone 4 or at least that's what I've been told when i bought it. But then I went ahead to unlock it again, when I put a SIM card in, it says no service or at least i hope that's ...
0
votes
1answer
2k views

Why do I keep having to reenter the SIM code after each iOS update?

With my iPhone 5, I've been finding that I keep having to unlock the SIM code every time I update the iOS from one minor release to the next. While this isn't a problem, as I've memorized the code, it ...
0
votes
1answer
418 views

Using Mobile SIM card with an iPad Mini

If I buy a Wifi and Cellular iPad Mini, could I cut down my mobile SIM card and use its cellular data with the iPad?
0
votes
3answers
591 views

iPhone 3G w/o SIM messaging app

I would like to use our jailbroke iPhone 3G with NO SIM. Is it possible to use the built in messaging app that Apple supplies on this iPhone wit no SIM? Is this possible to do or do I need to use ...
0
votes
2answers
744 views

In what ways can I separately manage entries in Contacts.app and SIM card contacts?

I have some basic questions in my mind and ofcourse, I should ask them to know the things. Can I import/export contacts from/to sim card? Is it possible to view the contacts that are stored in ...
0
votes
3answers
2k views

Using an iPhone 4S in South Korea

My brother will soon be going to South Korea to teach English and he is wanting to make sure that his phone will work properly with a local carrier. The phone is SIM unlocked (we verified it with an ...
0
votes
1answer
3k views

Can I use an unlocked AT&T iPhone 4 with european sim cards?

Moving to Austria in two weeks. AT&T is going to unlock my phone for me before I leave since my contract is in good standing with them. Will I be able to use my iPhone 4 with European carrier sim ...
0
votes
1answer
1k views

How can I remove a sim lock when I'm no longer an Orange France customer?

I bought an iPhone 4 in France. When moving to Belgium, I've put a belgian SIM card but I noticed that the phone is SIMLOCKED. I contacted the person who sold it to me and explained everything. He ...
0
votes
1answer
706 views

What to do with an old iPhone without SIM

I have an iPhone 3GS I no longer use as the battery does not hold and I have a new iPhone 4. I was thinking of using it from time to time at home just to browse or read emails without cellular network ...
0
votes
1answer
593 views

iPhone 4, only emergency calls

I bought new Neverlock (sim free) iPhone 4 with 4.3.5 firmware. Then I would like to return it to factory settings and click "Restore" in iTunes. But after restoring i received unlocking device with ...
0
votes
0answers
47 views

Inserting old SIM after activating iPhone 5s

After activating the iPhone 5s (no simlock or netlock) with iOS 7.1.1 iTunes 11, using the delivered SIM card (from the carrier that made the offer), can I insert my old SIM (nano sim needs to be ...
0
votes
0answers
40 views

“This cell phone has no sim card.” message

I reverted my iPhone 3GS to factory settings and now everything I do ends up with the message: "This cell phone has no sim card." How can I fix this?
0
votes
0answers
10 views

iPhone 5S showing SIM invalid [duplicate]

My brother brought me iPhone 5S from UK, It was given without any sim and it was working fine, until I restore it following restore iOS device to factory settings page, now I can't activate device, ...
0
votes
0answers
163 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 ...
0
votes
0answers
107 views

Locked iPhone 5 AT&T works on Tmobile network

Hope this question is in the right location. I recently switched from AT&T to Tmobile. I put in a request with AT&T to unlock an iPhone 5 under my family plan and was deined due to the ...
0
votes
1answer
43 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 ...
0
votes
1answer
1k 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. ...
0
votes
0answers
8 views

apple iPhone 4s sim card [duplicate]

Can I set up my new iPhone with the SIM card it gave me then switch back to my old SIM card next week? Will it change my phone number or change anything on my phone at all?
0
votes
1answer
115 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
0
votes
0answers
20 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 ...
0
votes
1answer
710 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 ...
0
votes
3answers
4k 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
440 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?
0
votes
1answer
8k 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
603 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 ...
0
votes
0answers
412 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
454 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
66 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
votes
1answer
238 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
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?
-11
votes
1answer
6k 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 ...