A SIM card allows y’all to make phone calls, receive and transport text messages, and accesses the mobile network.

However, people alter SIM cards for better network coverage or apply a local SIM menu while in other places since it avoids them from being charged with high roaming fees and international charges.

Many people recollect about if an iPhone can be used with a new SIM card. Before doing so, there are some things that you need to take note of.

  • What Happens If You Switch SIM Carte du jour on iPhones?
  • How to Know if Your iPhone is Unlocked?
  • What to Practise if Your iPhone is Locked?
  • How to Correctly Switch SIM Bill of fare in iPhone?

What Happens If Y’all Switch SIM Card on iPhones?

Here are the basic data yous should know earlier switching a SIM carte du jour.

1. SIM Card

Earlier you tin can change your SIM card to a new network provider, your iPhone unit of measurement needs to be unlocked. If you are using a new SIM card from the same provider, your iPhone will function the same as before.

If it says “SIM Non Supported” or “SIM Non Valid” after you insert a SIM card from another network provider, then your iPhone is locked.

iphone sim not supported valid

In this example, you will not be able to utilise the local network services such as calling or sending and receiving text messages.

If y’all purchase an iPhone straight from an Apple shop, most likely these units are available for employ on other networks.

two. Information

Removing your old SIM card would not change or delete any data since at that place is no data stored in it.

Another great news is that nearly of the latest models of iPhone (iPhone XS and above) are capable of the eSIM technology which allows y’all to keep your mobile number while avoiding more expensive information packages while traveling.

3. Phone Number

Does switching a SIM bill of fare change the phone number? Yeah. This will be the major change if you opt to switch to a new SIM menu.

Earlier doing and so, you may take to inform all your contacts of your new contact number. Since a SIM carte du jour but holds your number and your carrier’s information, your contacts will still be stored on your iPhone.

4. Media Files

All photos, music, files, and apps stored on your phone will notwithstanding be retained since SIM cards practise not shop these kinds of files. You may also opt to back up your files on iCloud or iTunes if this worries you lot.

5. Accounts

You will still exist able to utilize your WhatsApp account and your Apple ID will not be affected. You tin too go on to communicate through FaceTime and iMessage, just it will require your activation.

Should you encounter activation issues, you may turn off iMessage on Messages and FaceTime on settings, restart your iPhone, then plow on iMessage and FaceTime again.

How to Know if Your iPhone is Unlocked?

Hither are two unproblematic tips to check if your iPhone is locked:

  1. Purchasing an iPhone from a legitimate vendor such as Apple Middle, Mac Stores, and Apple tree authorized resellers are mostly unlocked.
  2. Buying them from network carriers is usually locked on the specific network and volition but exist bachelor for unlocking once the contract has concluded and the plan is paid in full.

So, when purchasing an iPhone, always check if this is capable of using another SIM carte from a dissimilar network.

  1. This will save you fourth dimension and money should you wish to switch SIM cards.
  2. Also, unlocked iPhones are sold at a higher toll than the locked units one time you lot decide to sell them.

one. Call Your Carrier

To know if your iPhone has no network restrictions, yous may telephone call your carrier to check. However, talking to customer service may have some time.

Below are the other options to know if your iPhone is unlocked:

2. Checking the iPhone Status on Settings

To practise this method, yous volition take to access your iPhone when it is turned on. Y’all may follow the step-by-stride guide to check:

ios 14 carrier lock info

  1. Go to the Settings app on your iPhone.
  2. Scroll downward and then tap General.
  3. Tap About.
  4. Scroll downwards until you see the Carrier Lock.
  5. If it displayed that your phone has “No SIM restrictions“, and then your iPhone is free to use other network providers.

For those who own iPhone and this data did not bear witness up, yous may use the other methods to check.

3. Checking With a SIM Card

If the outset method did not work for you, you lot may effort some other manner which is using SIM cards. This will require you to use two SIM cards from different network carriers. To do this, follow the pace-by-stride guide below:

  1. Turn off your iPhone first.
  2. Apply the SIM ejector tool to open up the SIM card tray. If this tool is not bachelor, you may use a thin paperclip to insert it on the pinhole.
  3. Remove the SIM card. Be careful not to touch on the metal role since it is fragile.
  4. Use a new SIM card from a dissimilar network provider from the previous one.
  5. Push dorsum the SIM card tray in the iPhone.
  6. Plough the power on.
  7. Attempt to make a call or send a text message.
  8. If information technology works, your iPhone is currently unlocked and has no SIM card restrictions.

Aside from the two methods mentioned above, at that place is some other way of checking if your iPhone is unlocked. Nonetheless, it needs an internet connection to check if y’all are still unsure after trying the two methods.

4. Doing the IMEI Lookup Online

There are available tools online if you wish to cheque if your iPhone is unlocked.
You lot can apply a costless tool but be cautious of using it since yous volition be sharing details and information to the web.

So, you lot’d better to utilize a paid IMEI checking tool, such as
WipeLock IMEI Checker.

iphone 12 pro xfinity imei check

  • Access the Settings app on your iPhone.
  • Whorl down then tap Full general.
  • Tap About.
  • From this, you will find your IMEI number.
  • If you are checking an iPhone X or later on, a 2d IMEI number will be listed which you accept to have note of as well.
  • Become your mobile phone’due south Series Number located on the top.
  • The next step is to visit
    WipeLock IMEI Checker.
  • Enter all the required information then submit.
  • Once washed, an data card volition be displayed including whether your iPhone is locked or not.

What to Practise if Your iPhone is Locked

Getting a locked telephone means that this is exclusive for use under a single network carrier. It means that you cannot utilize some other SIM bill of fare from a different network provider, and y’all will need to become it unlocked first if you decide to switch SIM cards.

iPhone models are considered high-end mobile phones. Signing a contract with a carrier tin can subsidize them the cost of an iPhone up to $300. Also, an iPhone locked to a carrier ties the user to the network provider. For them, it decreases the take chances of the user switching to a different carrier.

It is recommended to take your iPhone unit of measurement unlocked. It gives yous the freedom to choose which carrier provides your needs when it comes to texting and calling. Also, it gives you convenience when you lot travel to a unlike country. Yous will not accept to worry about high roaming rates or limited to no information connexion.

If you wish to go your phone unlocked, yous could:

  • contact your carrier (most carriers can unlock an iPhone for free, only this will take upwardly to 15 working days)
  • or apply
    third-party services
    to practise the unlocking (not free, merely tin unlock an iPhone within 24 hours)

Also read: How to Unlock iPhone Carrier for Free without SIM Card?

How to Correctly Switch SIM Card in iPhone?

Yous need check start if your new SIM carte du jour is compatible. iPhone models use a nano-sized SIM card. Brand sure your new SIM carte is this size, otherwise, you will demand a SIM cutter tool to use it in the correct size.

To switch to a new SIM card,

  1. insert the SIM-eject tool on the pinhole located on the side of your iPhone.
  2. Open the tray, remove your old SIM card and supercede it with a new 1.
  3. Insert the SIM card tray as straight as possible back into the telephone. It will shut with a click and you lot are all set.

Remember to do this just when your iPhone is turned off.


Switching to a unlike SIM menu can be quite a hassle. It volition require you to inform everyone of your new contact number or else they will not be able to reach you via the local network at all. On the lighter side, you volition be able to cull a carrier that will provide better network services.

Now that y’all know whether your iPhone is locked or not, you can decide what to do adjacent.

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Nigh Author

Darren has been passionate about ios devices e’er since he got his first iPhone since 2013, while he was even so a student in junior high school. He currently uses an iPhone xi and iPad Pro, and he’s become the become-to guy for many of his friends who accept mobile device unlocking-related problems.