Unlock SIM Card on iPhone in 3 Safe Techniques for Network Switching

Kristine DawsonUpdated by Kristine Dawson / June 06, 2025 16:30

The transaction of buying an iPhone usually happens in Apple stores. Are you familiar with iPhone carriers? These carriers also offer discounted prices or monthly payment plans for purchasing an iPhone or other Apple devices. Some examples include Straight Talk, Boost Mobile, T-Mobile, AT&T, Verizon, and US Cellular.

However, carriers limit the iPhone owner's SIM card usage. It does not allow them to replace the SIM within their allotted time. The carrier's SIM card is the only permitted network to be used.

Unlock SIM Card on iPhone in 3 Safe Techniques for Network Switching

This post has got you covered because it has the 3 safest practices on how to SIM unlock iPhone from its carrier. Keep going—methods are just below!

FoneLab iOS Unlocker
FoneLab iOS Unlocker

FoneLab Helps you unlock iPhone screen, Removes Apple ID or its password, Remove screen time or restriction passcode in seconds.

  • Helps you unlock iPhone screen.
  • Removes Apple ID or its password.
  • Remove screen time or restriction passcode in seconds.
Guide

Guide List

Part 1. How to Unlock SIM Card on iPhone with Code

Your iPhone carrier’s SIM card mainly contains a code after you insert it from the SIM tray. Your iPhone carrier adds this feature to secure the SIM card data. You have 3 chances to unlock the iPhone SIM card. If you enter the wrong passcode consecutively, your iPhone SIM card will be blocked. Unlock SIM on iPhone carefully using this code by following the steps below.

Eject the iPhone SIM card tray and insert the SIM card afterward. Later, the iPhone screen will show you the unlock interface for the SIM card. Enter the passcode and tap OK at the bottom right to unlock your iPhone SIM card.

tap ok

Part 2. How to Unlock SIM Card on iPhone by Contacting Carrier

Suppose the iPhone SIM card is blocked due to multiple incorrect passcode attempts. Contact your iPhone carrier to ask for assistance in unlocking it. In addition, your carrier can help you unlock the iPhone SIM card in different scenarios besides the one mentioned. You only need to ensure that you have the proof of purchase for the iPhone and that you have finished the allotted usage of your iPhone.

If you do not know the iPhone carrier’s hotline, we will list them below. We use a table to help you contact your carrier and learn how to unlock SIM on iPhone.

Carrier Customer Service Hotline
US Cellular 1-888-944-9400
Boost Mobile 1-833-502-6678
AT&T 1-800-331-0500
Verizon 1-800-922-0204
T-Mobile 1-800-937-8997
Cricket Wireless 1-800-274-2538
Metro by T-Mobile 1-888-863-8768

Part 3. How to Unlock SIM Card on iPhone with Online Tool

Online programs for unlocking the SIM card functionalities from your carrier-locked iPhone are available. ExpressUnlocks is competing as the best online tool for the iPhone SIM unlock procedure. The good thing about this program is that it supports the most famous iPhone carriers. It also supports eSIM or what we know as the digital SIM card. Before proceeding with the procedure, ensure that the IMEI number is present. It is the main requirement of the unlocking procedure.

FoneLab iOS Unlocker
FoneLab iOS Unlocker

FoneLab Helps you unlock iPhone screen, Removes Apple ID or its password, Remove screen time or restriction passcode in seconds.

  • Helps you unlock iPhone screen.
  • Removes Apple ID or its password.
  • Remove screen time or restriction passcode in seconds.

Don’t know the iPhone IMEI number? We got you! Let’s start by finding it on your iPhone. See the steps below to learn how.

Open iPhone Settings and choose General at the top of the main interface. A longer list of options will appear. Tap About at the bottom and locate the IMEI number from the list.

tap general

Suppose you have the iPhone IMEI number. You can now proceed with the unlocking procedure using the online tool. Perform the instructions below to achieve it.

Step 1Search for the official website from your computer or smartphone. After that, choose your country from the What Network is The Handset Locked to? section.

choose carrier and country

Step 2Next, choose the iPhone carrier from the following box. After that, you need to enter the IMEI number in the box that will appear on the screen. Please click Unlock for Any Carrier at the bottom center to unlock the iPhone-locked SIM. Wait for the process to be completed afterward.

click unnlock for any carrier

Part 4. How to Unlock iPhone If Passcode is Forgotten with FoneLab iOS Unlocker

In addition to iPhone SIM cards, you can add a passcode to its lock screen. This security feature can only be inconvenient if it is accidentally forgotten. FoneLab iOS Unlocker can help with the said issue. This tool can wipe the iPhone PIN, alphanumeric, numeric, Face ID, and Touch ID lock types.

FoneLab iOS Unlocker
FoneLab iOS Unlocker

FoneLab Helps you unlock iPhone screen, Removes Apple ID or its password, Remove screen time or restriction passcode in seconds.

  • Helps you unlock iPhone screen.
  • Removes Apple ID or its password.
  • Remove screen time or restriction passcode in seconds.

Besides the forgotten lock screen passcode, this tool supports more scenarios. Face ID or Touch ID is not working, and a broken screen, unresponsive, second-hand, and disabled iPhone is featured. This tool's security features make it more interesting: Wipe Passcode, Remove Apple ID, Screen Time, Remove MDM, Bypass iCloud Activation Lock, and Remove Backup Encryption Settings. Let’s know how FoneLab iOS Unlocker works using the steps below.

Step 1Please visit the FoneLab iOS Unlocker website. After that, the tool’s full description will appear on the screen. Click Free Download from the main interface to download the tool on your computer.

click free download

Step 2Locate the downloaded file and set it up based on the needed requirements and permissions. After that, install it on your computer to automatically launch it. Later, the 6 features will appear on the screen. Choose Wipe Passcode at the top of the screen.

click wipe passcode

Step 3The screen will show you a USB wire and an iPhone demonstration of how you plug it into your computer. Follow it to complete the process. Later, click Start under the iPhone information. The warning information will appear on the screen. Enter 0000 to continue with the process. Click Unlock on the right to unlock the iPhone lock screen without the passcode.

plug iphone into computer
FoneLab iOS Unlocker
FoneLab iOS Unlocker

FoneLab Helps you unlock iPhone screen, Removes Apple ID or its password, Remove screen time or restriction passcode in seconds.

  • Helps you unlock iPhone screen.
  • Removes Apple ID or its password.
  • Remove screen time or restriction passcode in seconds.

Part 5. FAQs about How to Unlock SIM Card on iPhone

How to disable SIM on iPhone?

Some individuals purposely disabled their SIM from the iPhone. The most straightforward technique is to remove the SIM card from the iPhone SIM tray using a PIN. You can also enable the Airplane Mode from the iPhone Notification Center. On the other hand, the iPhone also allows you to disable an eSIM. Open Settings and choose Cellular. After that, select the eSIM you want to disable and toggle off Turn On This Line.

Can Apple remove the carrier lock?

Unfortunately, no. Apple cannot unlock a locked iPhone or other Apple devices from their carrier. Only the iPhone carrier can unlock the SIM card restrictions. The good thing about carriers is that they also have support teams to assist you in this situation. You may contact them and ask for assistance with the unlocking procedure. Ensure the proof of ownership and the allotted time for iPhone use are completed.

This article is all about how to unlock a SIM-locked iPhone. The 3 most reliable practices are presented to give you a smooth procedure. Plus, FoneLab iOS Unlocker! It is a program available on your Windows and Mac to unlock your iPhone with a forgotten passcode. There's more to discover about the functionalities of this tool. Download and explore it now for your convenience.

FoneLab iOS Unlocker
FoneLab iOS Unlocker

FoneLab Helps you unlock iPhone screen, Removes Apple ID or its password, Remove screen time or restriction passcode in seconds.

  • Helps you unlock iPhone screen.
  • Removes Apple ID or its password.
  • Remove screen time or restriction passcode in seconds.
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