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

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15
votes
4answers
134k views

Is it possible to use an iPhone without a SIM card as an iPod touch?

Is it possible to use an iPhone without a SIM card as an iPod touch? I have an old iPhone 3G that no longer has a SIM card and I want to use it as an iPod touch. How can I achieve this?
13
votes
1answer
36k views

How do I change the PIN on an iPhone?

A simple one, I guess: I recently bought a new (unlocked) iPhone, and at the same time changed my phone subscription to another operator. How can I set the PIN code on the new SIM card to something ...
11
votes
4answers
13k views

iPhone stuck at “No SIM card installed”

I "retired" my old iPhone 3GS when I got my shiny new iPhone 4 and I was happily using it as an iPod touch with camera and compass. However, I made the mistake of throwing away the SIM inside the ...
11
votes
3answers
25k views

What angle do I insert iPad SIM eject tool into new iPad to get the tray out?

I've found lots of videos on how to eject the SIM card holder from an iPad 2, but the location is different on the New iPad, and no matter whether to put the pin in parallel to the screen surface, or ...
8
votes
2answers
20k views

Can I use an old iPhone as a wifi-only device?

I have an AT&T (GSM) iPhone 4. If I were to upgrade to an iPhone 5, could I simply pop the SIM out of my iPhone 4 and continue using it on wifi only? Would I also need to get the SIM deactivated ...
7
votes
1answer
440 views

Using my current 3G Sim with the iPad

I'm thinking of buying an iPad at some point, the one with 3G. I also have a 3G dongle that I'm not really using at the moment and wish to use on the iPad. I understand that it's a MicroSim, and I ...
6
votes
3answers
949 views

Is it possible to activate an iPhone 4 without a SIM?

So we bought an iPhone 4 from the Apple store. But we didn't get a micro-SIM as there are no PAYG tariffs on micro-SIM available. Is there anyway to activate the device without getting hold of a SIM? ...
5
votes
3answers
37k views

iPhone can send iMessages without a SIM card?

I gave my old iPhone 3GS (iOS 5.0) to a friend, and after removing the SIM card, we noticed a peculiar behavior. My friend is able to send texts via iMessage from the old phone number. Likewise, I can ...
4
votes
1answer
751 views

Is possible to use a Micro SIM in iPhone 3GS?

I want to use my old iPhone 3GS, but don't want to pay another plan for the occasional use.
4
votes
2answers
4k views

Activate unsubsidized iPhone 5 - can I later switch carriers?

I'm living in Germany and recieved an unused iPhone 5 A1429 without SIM or contract as a gift. I'm planning to use it abroad, likely with prepaid SIM cards. The phone is not activated yet and I am ...
3
votes
3answers
33k views

Can I exchange an iPhone 4 with an iPhone 5 without getting a new SIM?

I understand that for certain iPhone models it is necessary to get a new SIM if I want to exchange them. If I have a 4S and want to exchange it with a user who has just purchased a 5, is this ...
3
votes
3answers
9k views

can you take out the iPhone's sim card and use wifi outside of america?

I'm traveling overseas and I wish I had a regular iPod touch so that I can just use WiFi to check emails without paying a roaming fee. I have an iPhone with an AT&T sim card. I was wondering if I ...
3
votes
2answers
81 views

Is it possible to put a iPad data sim card in an iPhone 5s?

I would like to purchase an iPhone 5s for data use in the US and as an international phone when overseas. Is it possible to use an iPad SIM card in the iPhone 5s to use for data only?
3
votes
3answers
1k views

Activate older iPhone without proper SIM?

I recently upgraded to the iPhone 4s from my 3gs. I do not want to sell my 3gs as I would like to keep it as a 32gb iPod essentially. When I transfered to the 4s, they swapped my regular SIM for my ...
3
votes
2answers
747 views

Iphone 3G shows 'no service' eversince I came back from Malaysia

I'm using Iphone 3g for a year exactly and have no problems at all until recently I went to Malaysia. it says 'no service' where the carrier name supposed to be. so I assume its because since I'm out ...
3
votes
1answer
178 views

Previously activated iPhone 3GS

I've just upgraded to an iPhone 4S, and I want to use my old 3GS like an iPod touch. I have updated the software using iTunes and now on iTunes it says: There is no SIM card installed in the iPhone ...
3
votes
1answer
44 views

iPhone 3 Upgrading and other similar issues

So the device in concern is the iPhone 3S. It has been jailbroken in the past and I haven't really used it since. And now I decided to upgrade it so I restore it to factory settings, except there is a ...
3
votes
4answers
879 views

Changing home network on SIM card

I have an iPhone 4S from Verizon, which they've "unlocked" for international use. I say "unlocked" in quotes because it's still restricted from US SIM cards. I'm able to use any international SIM, but ...
2
votes
2answers
6k views

Does trimmed SIM card affect iPhone 4S's signal strength?

I have just received my iPhone 4S ordered online. I don't have a microsim card that iPhone 4S would need to me to. I don't wish to pay extra to buy a micro sim card since it doesn't give much ...
2
votes
3answers
153 views

No Simcard installed - iPhone 5

I've got an iPhone 5 running the latest iOS 7 version. (I don't feel like testing the first pre-released iOS 8). The iPhone randomly displays me "No sim card installed" in a pop-up and I have no ...
2
votes
2answers
18k views

Can I use my iPhone4 without a sim card if i just updated to the lastest software?

I have an iPhone 4 that I wanted to use for my daughter to play on. I updated it to the latest software iOS 6 and it's telling me to put a SIM card in to activate it. I don't want the iPhone ...
2
votes
1answer
15k views

How do I use iMessages without a sim card?

I recently received an iPhone 3G from a friend. She took out her SIM card, so I don't have a SIM on my iPhone. I heard that you can now text on iMessage using your email instead of a phone number. I ...
2
votes
1answer
8k views

Activating my unlocked iPhone 4S using a Friend's SIM temporarily

So I bought an unlocked iPhone 4S and im stuck at activation. I just want to get into the phone, get some apps and other stuff via Wifi. My friend has an unlocked iphone as well, can I put his SIM ...
2
votes
1answer
535 views

Are iPhone sim cards locked specifically to the iPhone hardware?

I've got an iPhone 3GS, on the UK network of O2 Can I take that sim card out, and put it into another mobile device (not iPhone) ? I don't have a spare device to try this hence asking here More ...
2
votes
1answer
14k views

Where can I find the phone number of the SIM card that I have in an iPad?

Is there a way, directly on the iPad, to find out which phone number is associated to the MicroSIM which it is using? I can't find it in the menus, currently. Is there an easy way to find it ...
2
votes
1answer
452 views

What can I do with my locked iPhone?

I bought an iPhone4 from ebay, and it was marked as UNLOCKED, but in fact it was not.. After couple of emails, I gave this up, and I want to sell it. It is AT&T. The questions are: 1) What would ...
2
votes
2answers
2k views

Will the 3G SIM card from my original 2010 iPad work in the new 2012 iPad, or will I need a new SIM card?

I have the original 2010 iPad 3G, and when I purchased it I also got a SIM card for Rogers 3G data service here in Canada. Can I simply remove the 3G SIM card from my original 2010 iPad, and insert ...
2
votes
2answers
3k views

The SIM card inserted in this iPhone does not appear to be supported

I received following message after I restored my iPhone OS to 4.2: The SIM card inserted in this iPhone does not appear to be supported. How can I use my SIM?
2
votes
1answer
6k views

Can I put my iPhone 4 sim card into a new iPhone 4S?

I have an iPhone 4, and want to upgrade to an iPhone 4S. Can I just buy one and switch my sim card? My current iPhone is through my ex's account. I don't want him knowing I'm getting a new one. My ...
2
votes
1answer
35k views

iPhone 3GS activation error on iOS 5 upgrade - “No SIM card in phone”

I upgraded my iPhone 3GS to iOS 5 a few days ago. The upgrade went smoothly; however, I'm having trouble activating my phone. My wireless provider is O2 in the UK and my O2 SIM is in the phone, but ...
2
votes
1answer
261 views

Activate an AT&T iPhone 3GS outside of USA after iOS upgrade

I'd like to know if it's possible to activate an AT&T iPhone 3GS outside of USA. I live in Brazil and I've bought this iPhone from eBay. As it came with iOS 4.x (I don't remember the exact ...
1
vote
3answers
1k views

Does upgrading iOS change my IMEI?

Does upgrading iOS change my IMEI? I was told not by AT&T not to remove my SIM card or certain restrictions that they had placed on the iPhone, at my request, would be lifted. I want to know if ...
1
vote
3answers
21k views

Removing the sim lock *with* the code

I have iPhone 4 which currently has SIM lock. However, a law passed in my country requires my service provider to disable the lock free of charge. However, I have no idea how this is done in practice ...
1
vote
2answers
1k views

iPhone 4 no longer detects SIM card, how can I fix it?

Since 3 months I do have an iPhone 4, 3 weeks ago i started to get no SIM card installed error increasingly more frequent. Right now the phone is unusable. I went to a sales office of my mobile ...
1
vote
4answers
8k views

Moving Sim Card from One iPhone to Another

I am looking to buy an iPhone 4 from the secondary market. I currently have an iPhone 3GS. Can I just replace the sim on the new iphone with my current sim? Or is there something else that I need to ...
1
vote
3answers
491 views

How can I set up a UK-based iPad with simple ongoing internet access for my grandmother?

I've just donated a secondhand iPad 2 to my grandmother, with the intent that she can use it as her first foray into email, and possibly other things, given time. She has very limited experiences with ...
1
vote
3answers
9k views

Can a normal SIM be modified to work as a nano-SIM?

I just puchased an iPhone5 and want to use my current SIM from my existing phone. Is there a way to convert my existing SIM to nano-SIM?
1
vote
3answers
2k views

Getting an unlocked iPhone 4/4S to work on T-Mobile

There are several aspects I'm not clear on, and I'm wondering if what I want is even possible. 1) I want an unlocked (officially; no jail-breaking) iPhone 4/iPhone 4S. The iPhone 4 unlocked is ...
1
vote
1answer
933 views

iphone jailbreak - its asking for active sim card

i'm in china and need to jailbreak/unlock my iphone to use it here with chinese sim card. I followed the instructions online about how to do this using a program called snowbreeze. It worked and i ...
1
vote
1answer
353 views

Using a different SIM card on iPad2 3g while travelling outside the US?

I have an iPad2 3g with at&t. Now, Will I be able to pop another SIM into it when I travel outside the US and use the data plan available in that country/service provider?? Is the iPad2 locked ...
1
vote
1answer
187 views

Is it possible for me to use my iPhone4 microsim dataplan on an iPad2?

I have the new iPad2 and am wondering if intead of buying a new microsim/connection from AT&T, I can just use the microsim from my iPhone4. Please advise. Thanks
1
vote
1answer
3k views

Does iPad 2 3G's GPS work without SIM card inserted?

I own an iPad 2 with 3G but I've not inserted SIM card and I'm not planning to unless it's really necessary to get GPS working. I was wondering if iPad 2 3G can navigate without SIM card (thru ...
1
vote
3answers
2k views

Is there any way to transfer data from old phone's sim card to iPhone 4?

I recently got the new iPhone 4 but it doesn't have my contacts and old text messages etc. I previously had the iPhone 3gs. When I upgraded my iphone 3gs to iphone 4 they gave me a new sim card but it ...
1
vote
1answer
1k views

Change carrier settings in iPhone post iOS7, possible?

I recently moved to a new country, and got a new SIM for use over there. The sim came with an old no-name android phone, that works fine (can use data, call, text, all). When I insert the same sim ...
1
vote
1answer
239 views

Switch off cellular network off/on on iPhone (triggered by Bluetooth car kit)

I have a car (Audi A7 with MMI & Bluetooth Mobile Telephone interface) and an iPhone with dual SIM card (2nd SIM is plugged into the car). I would like when my car is started (and my 2nd SIM ...
1
vote
1answer
4k views

Does Find My iPhone still work with a SIM block?

My iPhone was stolen this morning. I've had the SIM, but not the IMEI blocked. It was turned off immediately by the thief. I'm hoping that, as it's got the iOS 7 beta, they'll be unable to crack it ...
1
vote
2answers
19k views

Can I use an iPhone 4 on Straight Talk?

I have an iPhone 4 that's currently on AT&T. My 2-year contract will be fulfilled in January, and at that point (if possible) I'd like to switch my service to Straight Talk or some other less ...
1
vote
1answer
7k views

Using an iPhone 5 (Verizon version) in Europe and India?

I am going to try and consolidate all of the questions I have here: Can I use the Verizon iPhone5 with a GSM carrier in Europe (Vodafone) and in India (Airtel or Aircel) with both calling and ...
1
vote
2answers
125 views

Smart Cover and Sim-tray

I would like to know weather the smart cover on a 3G iPad covers the sim-tray completely partially or not at all. A photo would also be really helpful
1
vote
2answers
858 views

Is Jailbreaking And Enabling Bluetooth File Transfer On iPhone 4 Financially Secure?

I want to use iPhone 4 for sensitive information. Will jailbreaking, downloading unofficial apps (not registered in Apple's App Store) and enabling Bluetooth file transfer cause a chance of sensitive ...