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IPhone 4 says invalid sim in upper corner - Cell Phones

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  • 78 Answers

Hi , your iphone does not seem to be jailbroken , did you recently upgraded to 4.3.3 ? if yes you have to jailbreak the phone and run ultrasnow on it , message me if you also want help with it

Posted on May 22, 2011

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Posted on Jan 02, 2017

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Ipad air says Invalid SIM in upper left corner? not sure what it means or to do to fix it


The most common reason for this is that the SIM needs to be taken out and reinserted. I put a link below to show how to do it. What it means is that their is a problem with your SIM card, and it might just be a lousy electrical contact issue, but it could be faulty too! You may have to contact Apple to get a replacement. Also, you must be in a country where that SIM is supported. Please read the following links.



Remove the SIM card from your iPhone or iPad
http://support.apple.com/en-mt/HT516

Jan 05, 2015 | Tablets & eReaders

1 Answer

I have a a i phone 4s i put my sim in but phone saying no service


Hi if your iphone 4s is not accepting your sim card whether it is displaying messages like sim invalid ,sim lock and so on once you insert your sim in it then it mean your iphone 4s is locked to some other network provider due to this it wont accept your sim until you unlock it .You can easily unlock your iphone 4s using sites like WickedUnlock.com here they are rendering remote unlocking service to unlock all model iphone from network lock ...You first check that whether the service is available for your country and network provider .If yes then pay for it and unlock your iphone 4s then freely use it with any GSM sim .

Sep 04, 2014 | Apple Iphone 4s I Phone 4 S Factory...

1 Answer

Invalid sim iphone


Your iPhone says "Invalid Sim" means that your phone is locked to particular Network.To solve this problem, you need to get your iPhone unlocked.You can get your iPhone unlocked from Network lock using Remote unlocking method.Which is the safe and secure method to unlock iPhone.You can get this service from Unlock-Zone.com here you need to specify your country,Network name to which it is locked,IMEI number of your iPhone.And you can get free unlocking free unlocking instructions from MobileUnlockGuide.com using this you can unlock your iphone from Network lock easily.

Apr 09, 2014 | Cell Phones

2 Answers

Invalid sim


Did you just recently update to iOS 7? Best bet is to do a full back up and then take it to an Apple store near you. If you don't have that option, sometimes just pulling the SIM and replacing it can fix the error. do this with it on first. If that doesn't work turn the phone off, remove the SIM, turn the phone on, insert the SIM. If that doesn't work you can try going into the settings and "Reset Network Settings" (not likely at this point)

Feb 26, 2014 | Apple iPhone 4 Black Smartphone

2 Answers

No Sim Card Installed Insert a valid Sim with no pin lock


No Sim Card Installed Insert a valid Sim with no pin lock

Sep 21, 2012 | Apple iPhone Smartphone

1 Answer

At&t sim says invalid in a pre-owned Iphone4.


You can get the UNLOCK CODE from service provider and unlock it.

Dec 31, 2011 | Apple iPhone 4 Black Smartphone

2 Answers

I've had my iphone 4 for about a month now and it wont work and says invalid sim on the top left corner


When you have this message on the screen it simply means that your iPhone has Sim locked features which applied by a carrier that you have bought the phone.They do it just to restrict you to use it with another carrier..
--- if this is the case you need to find a handy man to make your phone "Jailbreak and Sim locked Free" by loading a software application to your phone ..it may cost you some money too..
-- if this is not the case,you used it at the beginning but it failed now,to test it ask your friend' to use his sim card of the same carrier to make sure phone is working..if it is so,your sim card may have been damaged.than just ask replacement.
Regards

Sep 26, 2010 | Apple iPhone Smartphone

1 Answer

Updated iphone not working display only emergency


What You gotta do is...1. Google Blackra1n. 2. download it!! 3.open the blackra1n. 4. Click make it rain 5. wait for iphone to reboot. 6. Enjoy your re-hacked iphone.
Be sure to do this process with your Invalid sim card.
What happened?
When you updated your iphone the hack was un-done. Apple also has a software that senses when you are updating a hacked iphone. The software turns your iphone into a nice brick.
This should work!!!

Dec 28, 2009 | Apple iPhone Smartphone

1 Answer

I have an iphone that display's No SIM at the upper left corner I cannot get internet


You will have to unlock your phone. Search google for the appropriate software to jailbreak and Unlock your iphone. For example: Iphone 3g 3.1.2 jailbreak unlock

Sep 11, 2009 | Apple iPhone 3G

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