IPhone 4S stopped reading SIM card after 6 months

I have iPhone 4S it has a H2o SIM card that's worked for about 6 months no problem then one day it said SIM card failure I powered phone on/off once and started working again. Two weeks later it took 3-4 times of me cycling power on/off and removing SIM card and reinstalling it in order to get it to work. Then a week later it did same thing but took even longer. Now it won't read at all and I thought it was SIM card so I went and bought a new SIM card but no change, I looked online for help and even tried to put tape on tray/card like someone said but no change(if I even putting the tape in right place. I tried several different ways) Nothing seems to work. My phone was manufactured between 19-25 of March 2012 so hopefully I can get warranty but not original owner so not sure. Does anyone have any idea what can cause this? Why hasn't Apple fixed this problem since its been happening for a long time

The warranty follows the phone. It should still be covered as long as it has not been physically damaged, jailbroken, or hacked to unlock it.
Make an appointment at the genius bar. Apple has no way to magically fix a hardware problem without you taking the phone to them.

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HT4972 Why won't my iPhone 4 recognize my sim card after update?

Why won't my iPhone 4 recognize my sim card after update?
I updated my iPhone 4 over wifi and it went through the process fine, until it switched back on and now refusese to recognize my sim card!
Any ideas?

Usually this means the phone was previously jailbroken or hacked to unlock it from the carrier it was locked to, and the update re-locked it to that carrier.

Unable to read SIM card after latest update

I downloaded the most recent android update on my Samsung Galaxy Note 4 on 12/10. Since that update, i've gotten the message "Unable to read the SIM card. Please restart your phone to read the card" a half-dozen times. The timing between the messages is sparatic (one time it was a few hours between messages, another time a full day, then 12 hours the third time, etc...).
Is anyone else experiencing this issue? Is there a simple fix to this (such as just getting a new SIM card from Verizon)? I'd like to think that the update wasn't the culprit of this, but I've had my Note 4 since the initial release, and it's only started happening since the last update.
Any help would be greatly appreciated. Thanks!

I'm having the same "Unable to read the SIM card" issue. My phone is less than two months old, the unable to read SIM card issue started about a week after I purchased the phone. That was followed by a host of erratic, sporadic issues to the phone becomes unusable and the only way to temporarily fix it is to remove the battery for a few seconds. I've gone through the factory reset with Verizon reps where I purchased the phone from as well as with a Verizon online Chat representative. In a nutshell, I got a ticket to send the phone back to Samsung in Plano, Texas to get the phone fixed, I am going to do that today because this problem is ridiculous.

HT201210 not reading sim card after upgard to ios5.1

I bought an uncontract Iphone 4s in Los Angeles, and actived it in Beijing China by using my sim card of China mobile, and everything works perfect. One day when I connected with Itunes, it asked me to upgard to IOS5.1, I pressed OK, after the upgrade, the iphone could not reading the sim card, I tried restart the 4s and re-insert the sim card, but all failed, and Beijing Apple store said they can not help, I have to go back to US to solve this, quite annoyed.

http://support.apple.com/kb/TS4148

IPhone 4 runs without SIM card after installing iOS 7/7.1.1

After installing iOS 7 and all the latest update by using iTunes on my iPhone 4 I now have the problem that when starting the phone without a phone card I get the information that the SIM card is blocked and that you have to slide to unlock, the same information you usually receive when such a card is inside. Once unlocked the code screen appears asking for the PIN. The iPhone runs after having entered the PIN and you can open and work with all the apps which don't need an access to the internet like Calendar, Notes, Settings etc.. What has gone wrong? Can anybody help me please.

The SIM is only actually required during activation. And if you want a connection to a cellular carrier, of course. Once activated, the SIM can be removed and the device can be used as if it were an iPod Touch. This has always been this way.
I'm not entirely clear on what you think is wrong.

IPhone not recognising the SIM card after changing country

bought 2 iPhone 5 from Australia and unlocked to any network. Recently came to Bangladesh for a holiday and one of them is recognising the sim and other is not. Any suggestion?

What message does the second phone have on its screen?
Did you buy them at the same time from the Apple store?
~Lyssa

HT1976 i have problem with my iphone, it;s never lock and not read sim card, before reinstaling 6.01, thnx juliany

i have problem with my iphone, it;s never lock and not read sim card, before reinstaling 6.01, thnx juliany

If you are both on the T-mobile network, the sim card should work. If you did a Erase All Content and Settings, then she should be at the point of activation as a new device...talk to T-mobile and be sure the sim she is using is a valid sim card.

I have iphone 3gs. I upgraded its software through itunes but it stopped reading sim. Then I restored but since then iphone is locked with message to insert a carrier compatible sim. I've checked my sim is ok. How to restore the iphone?

I have iphone 3gs. I upgraded its software through itunes but it stopped reading sim. Then I restored but since then iphone is locked with message to insert a carrier compatible sim. I've checked my sim, it is ok. How to restore the iphone?

I'm going to make some guesses here. You bought your phone second hand. In other words, not from Apple and not from your carrier. What you got is a hacked phone that was originally carrier locked, most likely to AT&T in the US. You are NOT in the US. (If I get any of this wrong, please tell me).
What has happened is when you updated the software, it was re-locked to the original carrier. ONLY the carrier can authorize an unlock. If it is locked to AT&T, you're out of luck as they WILL NOT unlock an iPhone for any reason.
If it's locked to another carrier, you will have to find out what carrier that is (you can NOT tell by looking at the model number) and find out if they unlock iPhones. If you can't find out, or if they do not, then your only real option is to sell the phone and purchase one from a LEGITIMATE source.
You can find out who the supported carriers are here: http://support.apple.com/kb/ht1937

Sim problems- I updated my ipad2 to ios7 after that , iam facing problems with my sim, it showing no sim card after inserting sim. there is no prbolem with my sim.

I updated my ipad2 to ios7 after that , iam facing problems with my sim, it showing no sim card after inserting sim. there is no prbolem with my sim.

arun kumar chenna123 wrote:
i have updated my iphone to ios4.1. after installation, it is showing as"The SIM card inserted in this iPhone does not appear to be supported. only compatible sim cards from a supported carrier may be used to activate iphone. Please insert the sim card that came with your iphone...."
how to solve this problem. I don't have any sim cards that came with iphone.
Please help out to solve this problem.
It sounds like the phone was hacked or jailbroken, and updating it locked it to the original carrier. As it is not possible to update to any version other than the current one (5.1) the fact that you updated to 4.1 pretty much confirms the phone was hacked. There is no solution that you can get in an Apple forum.

IPhone 3 without a sim card

I have an old iPhone 3 without a sim card. Does anyone know what I can do to get it working just as an ipod? Or what I could do about finding a new sim card?

To re-activate in iTunes requires a sim card be installed in the phone. Since you're in the US, that would be an AT&T sim card. If you don't have one, you can borrow one from someone to activate your phone. If that's not possible, you'll have to go to an AT&T store & get one. They will most likely require you sign up for service...you can cancel immediately after the phone is activated. But, bottom line...you need a sim card.

HT4972 my iphone is not installed sim card.so I can't update my iphone.

my iphone is not installed sim card.so I can't update my iphone.

That's correct, without a supported SIM card you can't set up the phone.
If your carrier supports unlocking, you can use any SIM after your phone has been unlocked by the provider:
iPhone: Wireless carrier support and features
iPhone: About unlocking
Follow the instructions in this article to unlock your iPhone for use with different carriers.
Follow these instructions to initiate the unlocking process for your iPhone:
Check if your carrier offers unlocking. Only your carrier can unlock your iPhone.
Contact your carrier and request an unlock.You may need to meet certain requirements to qualify for unlocking. After your carrier submits the unlocking request, it may take up to seven days.
Once you receive confirmation from your carrier that your iPhone unlock has been processed, proceed to the next section.
If you have a SIM card from a carrier that is different from your current carrier, and you've received confirmation from your current carrier that your iPhone is unlocked, follow these steps:
Eject your SIM card and insert the new SIM card.
Complete the setup process.
If you do not currently have another SIM card you can use, follow these steps to complete the process:
Back up your iPhone.
Erase your iPhone.
Complete the setup assistant and restore your backup.
Additional Information
If you experience issues or receive the following error message displayed in iTunes or on your device, follow the steps below:"The SIM card inserted in this iPhone does not appear to be supported. Only compatible SIM cards from a supported carrier may be used to activate iPhone. Please insert the SIM card that came with your iPhone or visit a supported carrier store."
Restore your iPhone.
Contact your carrier to verify that the unlock was applied in your carrier's system.

Why can't i pick up any wifi networks? wifi capabilities still work on iphones, even without a SIM card-yes or no?

why can't i pick up any wifi networks? wifi capabilities still work on iphones, even without a SIM card-yes or no?

No one here can know why for certain, and yes.
If no change after resetting network settings on your iPhone and after restoring your iPhone with iTunes as a new iPhone or not from the backup, the iPhone has a hardware problem with the wireless card or something else.

Selling IPhone 3GS...SIM card questions

Thank you in advance for any help you can give me. I bought my mother an iPad and, for her needs, it really replaces her iphone 3gs so I bought her a simple cell phone to replace the iphone so she can just make calls from it. This simple cell phone came with a new sim card in it. I was planning on selling my mother's iphone 3gs on ebay with her old sim card in it. I erased all content and settings on this iphone so is it okay to sell the iphone with her old sim card in it or should I remove it? In the past, I have sold my old erased iphones with the sim card still in it and now I don't know if that was a mistake. Is there personal info on the sim card that somebody can access even after the iphone was erased? Thanks much.

As when data is erased from a hard drive, if not securely erased the erased data can be recovered by a data recovery utility.
The chances of someone going to that trouble with a SIM card and there isn't much they could do with it anyway if the data was obtained, why take the chance. It isn't your responsibility to include your no longer activated SIM card with a phone that you sell for someone who is interested in using the iPhone in a way that is not designed or intended. The iPhone is designed to be used as a phone - to be activated, and whoever purchases your iPhone will need to get a new SIM card from AT&T or use their existing AT&T SIM card from another phone if they are an existing AT&T subscriber in order to activate the iPhone with their line/number with AT&T as designed and intended.
More than likely no harm done or no need to worry if you include your SIM card but why have any concern about it whatsoever?
To each his/her own.

Can you unlock an iphone 4 without a sim card?

Can you unlock an iphone 4 without a sim
card?

What are you referring to in regards to unlocking. Are you talking about unlocking the screen with a passcode, or unlocking the device from the carrier the phone is locked to?
If you are referring to unlocking the phone from the carrier so it can be used with other carriers, you need to make contact with the carrier it is locked to and ask if they offer unlocking services and if you qualify for the unlock. They will provide you with instructions on what to do after that.

How do I activate a used iPhone 3 with no SIM card for use as an ipod touch?

How do I activate a used iPhone 3G with no SIM card for use like an iPod Touch? It was apparently on AT&T previously and I have another iPhone 3 that is active on AT&T if that is helpful. Thanks!

Copied from the link provided.
Follow these steps to use your iPhone without a wireless service plan:
Insert the SIM card from your new, activated iPhone or one that was previously used to activate the original iPhone.
Connect the iPhone to iTunes on a computer connected to the Internet.
Once iTunes activates the device, you're free to use the iPhone as if it were an iPod touch.

IPhone 4S stopped reading SIM card after 6 months

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