sim card not valid after update to ios 5

Got the same problem here in Australia with telstra

Had the same problem in Belgium with Proximus (Vodafone) Ipad doesn´t recognise the sim "Insert a non locked card" and so the Ipad is down. I`m lucky I did not uprgade still my Iphone (thank´s to Apple´s servers last night)

Same problem with O2 in the UK. It's not O2 issue though as they tried 3 working SIMS in the shop for me. Can't fault them to be honest. Lot of posts on here about it. Looks like a server issue, probably overloaded or crashed. I hope it's fixed soon, feel like I've lost a limb!

After going to the orange store (uk), I went to the apple store..no luck but THEN.. they tried a different orange sim and it worked! My phone is now activated but my own sim card does not work which means I have to order a new micro sim from orange, which will take 4 days 😟 atleast my phone is activated i guess. but still a very big hastle and took up alot of my day to sort out.

I was the first person to go to my Apple Store with this issue.. stumped them all... I had my macbook with me - we tried mine and 2 of their laptops and got the same errors.... they tried 2 sims they had and same thing.... luckily I had recieved a replacement phone at the end of July and was still under the 90 warranty (day 86) - I got a replacement phone on IOS4 --- will wait a week before I try to update again. My Ipad (1) upgrade was smooth. uuggh ... I was looking forward to playing with the new features....

My situation today was the same. Just got back from the Apple Store after being there for 2 hours. They replaced my SIM card there, and that didn't work when trying to restore my iPhone 4. I was out of warranty 91 days, but they resorted to giving me a new phone as well since that's all they could have done. The problem is obvisouly bigger than this as it's really just putting a band-aid over a problem that nobody seems to know how to solve. AT&T thinks it's Apple. Apple thinks its AT&T......

I went to my local Apple store and explained what was going on and the genius looked at the phone for a few seconds and went out back and grabbed me a new one.I was out of warranty but they still covered it everything now working.So I am happy again if you live close enough to an apple store give it a shot.Should also add I did try 4 new SIM cards at the AT&T store still nothing worked so the employee told me to try Apple.

Same problem in India too 😟 I wasted so much time for this update and now I can't even use my phone!

Same problem for the Ipone 4 I have buy from Apple Store last year. We have updated 2 IPhone OK but none of this phone was from Apple Store. I will call Apple support in Norway.

I'm having the same problem. Went to the AT&T store and tried 4 differenet SIM cards. Went to the Apple Store and they couldn't fix the problem either. I'm out of warranty and the Apple Store will not give me a replacement phone. I'm screwed.

Same her in Norway on a unlocked Iphone 4 from Apple Store (Order by mail last year)😟

I am having this same issue. I upgraded a brand new iphone 4, unlocked, never been jailbroken or anything like that, and after i downloaded ios 5 and upgraded the phone to it, i'm getting "SIM not valid. Only compatible SIM cards from a supportted Carrier may be used to activate iphone. Please insert the SIM card that came with your iPhone or visit a supported Carrier's store to receive a replacement SIM card".

No idea what to do....

Any help is welcome!

Same here in EGYPT with VODAFONE , the sim was absolutely fine with the iOS 4

4.3.1 , 4.3.3 , 4.3.5

it's showing this **** error now and i can't my iphone to work

i really hate it now !!

I had the same thing TWICE.

I went to the Apple store. They made me get a new SIM card from AT&T. This didn't work so they gave me a new phone with 4.3.5. I took it home and updated it this morning to ios 5 and the same thing happened with the new phone and the new SIM.

I went to Apple again today and again they made me get a new SIM and gave me another new phone and (get this) told me NOT to update it to ios 5 until 5.1 comes out. WHAT?!?! Right now I am just happy to have a working phone, but I think it is ridiculous that I am supposed to wait until the next version of 5 comes out.

(BTW.... AT&T told me they think Apple got a bad batch of replacement phones and this is what is happening.)

Same here. Went to Apple Store, they made me go to AT&T to install new SIM. AT&T inserted 3 sims, no luck. Went back to Apple Store for appointment, they attempted to restore on their Mac.....again... no luck. They gave me a new phone with iOS 4.3.5. Of course this worked. Came home, upgraded 2 iPad2s on my computer to iOS5.....no problems......smooth install.....all functioned and they show up with wireless link in iTunes. I warned my brother to not do the iPhone upgrade.....he didnt listen to me and proceeded. His install went without a problem. So.....I thought.....hmmmm.....must have been my old phone. At 1030pm US East Coast.....me, the dummy....attempted again. Well......here I am.....again......with a bricked iPhone....the new one they gave me at the Apple Store. Same issue....SIM card not valid or whatever it says. I have un-installed iTunes...re installed....no luck. Earliest appointment is Saturday, 15th.....of course.....nothing tomorrow....the 4S comes out retail tomorrow. They wont make time for me and my bricked 4.

Will update.