Sim not Supported on iPhone? Unlock it Here.

Many users confront issues regarding sim cards on iPhones. The iPhone through a message that Sim not supported. This problem occurs especially with the second-hand iPhones. That whenever anyone buys second-hand iPhones. And inserts another sim card rather than its initial sim. As a result, the iPhone shows this error.

Moreoever, you may also see the following errors.

“SIM Not Supported. The SIM card that you currently have installed in this iPhone is from a service provider that is not supported under the activation policy that is currently assigned by the activation server. This is not a hardware issue with the iPhone. Please insert another SIM card from a supported service provider or request that this iPhone be unlocked by your service provider. Please contact Apple for more information.”

“SIM Not Valid. The SIM card that you currently…”

“SIM Not Supported. The SIM card inserted in this iPhone does not appear to be supported…”

Firstly, the message does not mean that your sim has been blocked by the carrier company. Or there has occurred a serious issue with the sim. The real issue is that the iPhone has an issue identifying the sim card. Therefore, it shows an error.

So, what you need to do, is to make some modifications to the iPhone. Because, when for the first time a sim card is inserted in iPhone. So, the device installs a particular software for that Sim card to run it on the iPhone.

However, when anyone buys that iPhone, or the same person tries another sim card in the device. The device says, that Sim not supported on iPhone. This is because the software installed on the iPhone is for the sim, that was inserted for the first time. And that software does not recognize the second sim and sends the error.

How to check which Sim cards are locked and which are unlocked on iPhone?

The first thing that you need to do is, check which Sim carriers are blocked on the iPhone. And which carriers are supportive of the device. The sims that are supportive of the devices are those carriers, which were used initially. And the rest carriers are all locked on the iPhone.

If you know, which sim was used at first. So, it is clear that which is unlocked. However, if you do not know what was the initial sim. So, there are unlimited software online that can help you in this regard.

When you install such software, These check your IMEI and provides a result. In this conclusive report, you will be able to see the unlocked Carriers on the device.

How to fix sim not supported on iPhone?

In this article, we have shown the best methods to overcome the “Sim not supported” problem.

Contact the Sim card company:

When you contact the Sim card company, you can request them to send you software to unlock sim on the iPhone. The agent would ask you some security questions regarding the device. And will send you specific software installable on the carrier.

Once the sent software is installed on the device. It will again modify some settings on the iPhone. And deletes the settings imposed by the initial software on the device. And unlocks your sim on the iPhone.

For this, you need to Restart the iPhone after installation of the software. And the problem will be resolved.

Update and Restart the iPhone:

Many times you confront issues, because, of the software update. Therefore, you should also check that your device is up to date. If not, update the device software. Eject the sim card, and again insert the sim. Then restart the iPhone.

This will rewrite entire settings on your iPhone. And if there was a problem with the position of the sim or minor settings problems. Then the iPhone will resolve it automatically.

Contact the iPhone Support team:

If the above two methods do not resolve the sim card unlocking issue. You can contact the iPhone support service. Once you visit the service area. make sure you fulfill the required conditions as stated on the page.

From the same page, you can visit the solution page, where you can enter the IMEI number of your device. After entering the IMEI number. The system will further guide you on how to solve the sim not supported issue. The process of fixing the problem will depend upon the issue regarding the unlocking problem.

Next Up in IOS:


In this report, I have brought the top three ways to fix the invalid Sim error on iPhone. Except for these three methods, you may also try additional methods. However, those are expired methods, and the latest phones do not work with those.

From the above three methods, the third method solves the issues of most of the sim cards. However, Consequently, I would like to say that DO FOLLOW US for more informative up to date content.

By Safar Ali

Safar Ali is an Entrepreneur, Marketer, and writer. He has been writing for more than three years. And his pieces have appeared on some of the high-authority sites, including HubSpot, Mashable,, Business Insider, TechCrunch, Makeuseof, CNET, and many more.


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