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How to Fix the ‘SIM Not Supported’ Error on Your Second-Hand iPhone?

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Often, when you insert your SIM card into your second-hand iPhone, the iPhone will show you the message, ‘SIM not supported.’ This is quite a common problem that most users that have purchased a second-hand iPhone faces; how do you solve this issue?

When you see any one of the following messages, it means that your iPhone device has been locked to a specific carrier.

  • SIM not supported. The SIM card that you have installed on your iPhone has been provided by a service provider that is not supported by the activation policy that has been assigned by the activation server currently. This problem is not related to the hardware of the iPhone. You will have to get in touch with the service provider to unlock the device or insert another SIM card from a supported service provider. Please contact Apple for additional information.
  • SIM not valid. The card that you are using currently.
  • SIM not supported. This SIM card you have inserted is not supported.

The problem here is that the error’s disappearance is not guaranteed, even if you insert the SIM of the correct network. It is obvious that you might face some struggles while dealing with this problem. However, we are here to help you resolve this issue and make use of your iPhone for any carrier.


Part 1: SIM not supported – Things you need to know

We will go through some important due to which you see the message SIM not supported on your iPhone device.

  • You will have to unlock your iPhone device if you wish to use your locked iPhone on a different carrier.
  • If you want to connect your iPhone device with more than a single network carrier, you need to unlock it. This is because an iPhone that is locked is only limited to a single network carrier.
  • You will have to get in touch with the carrier for unlocking the network; this is the official iPhone unlock method. However, you will have to complete the payment plan, or else the agents will not help you out.

From the above, you will understand that to unlock and connect your second-hand iPhone; the carrier needs to unlock your phone first.

Before we dive into the topic of solving and unlocking the SIM not supported problem, you first need to know how carrier works.

PS: let’s figure out why iPhone no service and how to unlock Android phone password without factory reset with ease.

What is a carrier lock, and how does it function?

A carrier lock is not exactly a thing that most people would know about unless you are into technology. The concept is quite new for most people who do not know exactly how a carrier lock works.

Once you buy an iPhone or sign a new contract with a carrier, they will install custom software on it. While this software does not hamper the iPhone’s normal features and functionalities, your SIM card’s working gets limited in more than one way. Some types of carrier locks include:

● Subscriber lock

A subscriber lock’s function is to block all the SIM cards, except for the original one. This means that you will not be able to use another SIM, even if the same original carrier provides it. This is perhaps the biggest restriction that you might face.

● Network lock

As the name suggests, your network will get locked if it does not belong to the original carrier. You will not be able to use another carrier’s SIM card unless you pay for unlocking the device.

● Carrier lock

This lock will stop you from using the SIM cards from texting or making calls when you visit other countries. While this feature is not used much anymore, the rates of your roaming data, texting and calling increases substantially when in other nations.

Besides, here is everything about how to perform iPhone 6 iCloud unlock and Verizon Unlock Phone for your reference.

What is the method of checking on which carrier is the iPhone locked on?

If you wish to check on which carrier lock your iPhone is locked to on your own, the method is not so easy. You might realize that you would require the IMEI number of your device; thankfully, an iPhone IMEI checker will prove to be helpful for you.

You will find your iPhone’s IMEI via online IMEI checkers. However, most of the online IMEI checkers are quite old; hence the databases have not been updated. These companies do not generate accurate reports and end up wasting a lot of time with the people.

We recommend that you make use of the services provided by the WipeLock iPhone Carrier Checker. This is a software that is unlike most online IMEI checkers; it will check the IMEI manually to provide you with a 100%-accurate report. Additionally, WipeLock can also check the iCloud and Blacklist status for you.

It is important for you to know whether your second-hand iPhone device is blacklisted or not. If yes, unlocking the device will get a lot more difficult for you.

SIM not supported – Things you need to know

Once you get to know your IMEI report, you will be able to get rid of the carrier locks on your iPhone device. Read on further to understand how to do so on any carrier.

Also, if you are bothered with the issues like the iPhone has an Invalid SIM Card, here are the top solutions for you.


Part 2: SIM not supported – Top two ways of resolving the problem

Of course, you would wonder if the SIM not supported problem can be solved on the latest iOS 13? The answer is yes. If you follow the methods mentioned below, you will be able to unlock all the iPhone models running on a variety of iOS-like 7, 8, 9, 10, and 13.

Method 1 – Fix the SIM not supported error simply by getting in touch with the carrier

This is perhaps the simplest and most popular method of removing the SIM not supported error from your device; this method can be used for free since you have already have completed the contract’s payment plan. However, you will have to wait it out until the contract finishes, if there are still a lot of months to go; alternatively, you can also make use of the IMEI unlocking service.

As mentioned above, you need to make use of a reliable iPhone Carrier Checker to check your iPhone is locked to which carrier. Once you know this, you can get in touch with the carrier. In today’s time, most carriers allow their customers to unlock their iPhone devices. The three steps of doing so include:

● Checking whether the carrier supports unlocking

You first need to find out whether unlocking is a feature that is supported by your carrier. Luckily, most do, and you will be able to fix your SIM not supported problem easily.

All you need to do is head over to Apple’s support site; here, you will find the list of all available carriers in your region. To know which carrier can be unlocked, you will see an ‘unlocking‘ feature right underneath its name. This means that the carrier can be unlocked from your iPhone. You can get in touch with the customer care agents directly as well.

Checking whether the carrier supports unlocking

● Contacting for carrier unlocking

Now that you have an idea of how to unlock your iPhone device, you can simply go ahead and give a call for an unlock request. While doing so, you need to remember a few pointers like:

  • Most carriers will charge you to unlock your iPhone; hence, you need to be aware that your next payment could be higher than you anticipate.
  • If you have not been paying your payments on time, it is possible that your request might get denied.
  • For monthly contracts like paying $50 per month for a year, your carrier might deny your request.
  • Contacting your carrier will differ from one user to another. In most cases, you can call them, and they will ask you a few security questions. Or else, you will be logged into the carrier’s online dashboard with your account information.

Contacting for carrier unlocking

Once your request has been submitted successfully, you might have to wait for 3-5 working days for your iPhone to get unlocked.

● Start the unlocking process

While you are waiting for your iPhone to get unlocked to fix the SIM not supported problem, you can complete backing up your iPhone device. This process will help you minimize unnecessary data loss that might occur after your device gets unlocked.

Start the unlocking process

Your carrier will send you a notification that your device has been unlocked. Once done, you need to do a few things. You first need to remove the old SIM card from your iPhone device and insert a new one; after that, you need to set up your device once again.

After your phone is set up, you will not see the SIM not supported error message again. You can also simply restore your backup if you lose contact information or important text messages.

By the way, let’s learn more about how to Unlock Straight Talk iPhone.

Method 2 – Using IMEI unlocking service to unlock your iPhone

If you do not wish to go through all the complicated process above, you can simply use IMEI unlocking services like ExpressUnlocks and DirectUnlocks. Below, we will talk to you about DirectUnlocks.

DirectUnlocks

DirectUnlocks is a service that will enable you to unlock your iPhone device for any carrier and fix your SIM not supported problem, without having you to even work for it. Here are some great features of DirectUnlocks:

You will not have to jailbreak your iPhone device; jailbreaking tends to cause heavy damage to your iPhone’s firmware.

  • Using this software is much more affordable than paying your carrier for a network unlock.
  • You do not have to install any additional software on your iPhone device.
  • The program will work perfectly for unlocking any iPhone model, including the latest iOS 13
  • Your iPhone will be permanently unlocked; this means that your iPhone will not be locked again.

How do you solve the SIM not supported on iPhone 11 Pro Max?

DirectUnlocks is the best choice if you want to solve the SIM not supported problem on your iPhone. To fix your SIM not supported error on your iPhone, all you need to do is follow the steps mentioned below:

Step 1: You need to visit the service page of the iPhone Unlock.

Step 2: You need to tap on the model of your iPhone.

Step 3: You have to select the country where you are residing and your iPhone’s network carrier; you also need to type in the IMEI number of your device just below

DirectUnlocks

Step 4: In the following window, you need to follow the payment instructions; once done, your order will be placed.

Once your order is placed, the processing will be done in less than 24 hours. And once your iPhone gets unlocked, you will receive a message. Then, you will not see the SIM not supported error message anymore.

DirectUnlocks


Bonus: How to know whether the SIM not supported problem has been solved?

If you are not very sure whether the method has worked, you can make use of this guide to check whether your iPhone has been unlocked or not:

Step 1: First, you need to turn off your iPhone device; with the help of a paperclip-like tool, you need to remove the SIM card.

Step 2: In the SIM slot, you need to insert a SIM card of another carrier.

Step 3: Turn your iPhone device on and check if your carrier is being recognized and there is no SIM not supported error; you can try to make a phone call

If these steps have not worked out, you might have to try some other method instead.


Final thoughts

If you ever face error messages like SIM not supported, unlocking your iPhone device is one of the best options that you can try to solve this problem. Of course, dealing with these SIM not supported messages and carriers can prove frustrating; additionally, it is also very expensive. Hence, we recommend that you make use of tools like DirectUnlocks to solve such problems.

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