0
votes
1answer
15 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 ...
0
votes
0answers
44 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
1answer
84 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?
2
votes
1answer
275 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 ...
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
456 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?
3
votes
1answer
180 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 ...
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 ...
0
votes
0answers
413 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 ...
1
vote
4answers
9k 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
7k 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 ...
4
votes
1answer
759 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.