Q: Sim Card Failure No Sim with iPhone 4S Anyone Else?

Lynden, Have you tried updating to iOS 5.1 Beta 3?

take1ncue, Have you tried updating to iOS 5.1 Beta 3?

Hello Houston, this is Thirteen reporting again...

After 5.1 beta 3, five days without any problem.

Oy read your develepers TOS. You can not talk about beta software on this forum. Go to the devs forum.

Hellow Amazon Silkaner 13...this is Houston!  It is great to hear the continued good news regarding the 5.1 beta 3 "SIM Scrubber."  Keep those updates coming.    There are a lot of folks down here that are concerned about you and find great comfort in knowing the fix seems to be working.  Looking forward to getting you home, safe and sound...with a final 5.1 update.

Houston...signing out.

I just updated to ios 5.1 beta 3 and am getting the apple logo with the update bar stuck on the screen with nothing happening. also, under phone number in the information of my phone on itunes it says n/a. i tried to restore on itunes and it said it couldn't. any ideas!?

never mind its been fixed by restaarting my mac

3 days running smoothly now after updating to 5.01 (9A406) from 5.01 (9A405). Whitey 32gb factory unlocked Korea GSM version

Tested on 2 carriers in 2 different countries now, both are new pre-paid sims.

Blackie 64gb encountered same issues with 5.01 (9A405), been running properly after update to 9A406. This seems to be proof enough that it was a software issue and not hardware issue for me.

Both Blackie and Whitey are bought at the same store on the same day the week after Christmas 2011.

W.

Nearly two weeks on the 5.1 beta update and not a single problem.

Battery lasts nearly twice as long, too.

Thanks everyone

Hello Guys!

I've read that it is possible to solve the sim failure problem updating to IOS 5.1 beta 3.

I've followed your instructions but I've a problem :

1. I plug in my iphone. I've a Mac Book Pro with iTunes 10.5.2

2. iTunes

3. I click on "Claudio's iPhone"

4. I press the ALT button > NOTHING HAPPENS!!!

Please, help me!

I've tried this 100 and more times...

Thank you!

Using a 32gig white iPhone 4S came with 5.0.1 out of a box. Every morning I have sim failure MSG using in Cambodia Carrier Mobitel. Recently came to China, more than a week now using China Mobile sim card. I stop having that issue. What's the different? The sim card is cut by vendor same as any other. I have tried several time to change sim card back in Cambodia, problem still persist. Didn't try beta3 yet because it only happen beta, waiting for full release. But NOTE! China Mobile only use EDGE no 3G. That lead me to believe all iPhone 4S work fine without 3G.

acespace,

You have to click UPDATE button while pressing the ALT button.

Six days without problems with IOS 5.1 beta 3.

У меня такая же проблема. Телефон постоянно теряет сеть и выдает сообщение об ошибке сим карты. Пробовала заменить симку, не помогло!!!! Это кошмар!!!

Purchased iPhone 4s on Saturday, worked fine until late his AM. Suddenly 'No Sim'??? Had iPhones since the first one, never had a problem before now.

Michael Clutterbuck wrote:

Has anyone noticed that this is happening and the right side of the phone getting incredibly hot? I have only noticed this SIM Card Failure issue after using my phone to do video chat, or after playing a little Angry Birds, or doing something a bit intensive. The SIM card slot is definitley hotter to the touch than the rest of the phone.

I've had 2 sim card failures in the 8 weeks or so that I've had my 4S.... I think you're onto something when you bring up the heat issue. Both times I was playing a CPU-intensive game (Marvel Pinball), and noticed that the phone was quite warm when the sim failed.

Reinstalling the sim card while the handset is still powered on seems to do the trick for me, provided the unit has cooled off a bit.

Judging by the amount of comments (66 PAGES on this one thread), this is a big problem with the 4S.