How to Unlock iPhone 15 (SIM Lock & Screen Lock)

by Jenefey Aaron   Updated on 2023-10-13 / Update for  iPhone 15

The iPhone 15 lineup is released. iPhone 15 that are purchased through a Network carrier such as AT&T or Verizon is usually carrier locked. And it happens that iPhone 15 users cannot remember the new passcode on their new devices. So how to unlock iPhone 15 in these situations?

Part 1: Why You Need to Unlock iPhone 15

First of all, let’s answer one question, why you want to unlock your iPhone 15? Unlocking your iPhone 15 can offer several advantages. And why you might consider doing so? We have list some them.

  • Switch to a different mobile carrier. If your iPhone 15 is locked to a specific carrier, you can't use it with another carrier's SIM card.
  • Save more money. If you frequently go abroad, an unlocked iPhone will help you save a lot of money on roaming fees. You can also use better offers and discounts from other carriers.
  • You forget the passcode of your iPhone 15 and get locked out. So you need to unlock it without passcode.

In general, unlocking iPhone 15 serves two main purposes: unlocking the SIM lock and unlocking the screen lock. So, how exactly can they be done? Continue reading.

Part 2: How to Unlock iPhone 15 SIM Lock

If you decide to unlock iPhone 15 SIM lock, then what are your options? These can be divided into two directions. One is by contacting your SIM carrier and asking them to unlock iPhone 15 while the other is using unlocking tools available online.

1.Ask the SIM carrier to unlock

Some carriers have an automatic SIM lock unlock feature that activates after you use it for a certain period of time. Alternatively, you can reach out to your SIM carrier and request the unlocking of your iPhone 15. For precise details and requirements, get in touch with your specific carrier. Once your iPhone 15 is unlocked, you are able to use it with any carrier of your choice.

2.Use SIM unlock online tools

If you decide to opt for an online SIM unlock tool, it will save your time. But it comes with potential drawbacks, such as higher costs and the risk of potentially causing damage to your iPhone 15. Here are a few online tools that you can consider using to unlock iPhone 15.

  • Official SIM Unlock
  • DoctorSim
  • CellunLocker
  • Direct Unlocks
  • iPhoneIMEI
  • AppleiPhoneUnlock
  • MobileUnlocked

Part 3: How to Unlock iPhone 15 without Passcode

Another common reason why people ask how to unlock iPhone 15 is that they forget their iPhone passcode. Is there any way you can unlock iPhone 15 without passcode? To save your time and effort, we bring you Tenorshare 4uKey that has the ability to bypass all sorts of screen locks on iPhone 15 and all other iOS devices.

  • On your computer, download and install 4uKey. Run the software and click on Start.

    how to unlock iphone 15 without passcode via 4ukey
  •  Now connect your iPhone 15 to your computer using the charging cable. 4uKey should detect it. Click on Next.

    how to unlock iphone 15 without passcode via 4ukey
  • The next step is downloading the appropriate iOS 17 firmware package. Choose the destination folder, make sure it has enough space and then click on Download.

    how to unlock iphone 15 without passcode via 4ukey
  • Once the firmware has been downloaded successfully, it’s time to begin the removal of the lock. Click on Start Remove.

    how to unlock iphone 15 without passcode via 4ukey
  • After the lock is removed and your iPhone restarts, you can set it up as new.

    how to unlock iphone 15 without passcode via 4ukey


Both SIM lock and Screen lock on iPhone 15 can pose problems. Having a carrier locked iPhone 15 means that you can’t use another eSIM or SIM card from other carriers. And if you have an iPhone with forgotten passcode, it practically renders the iPhone useless. Luckily, you can unlock iPhone 15 by using tools mentioned above. For screen passcode unlocking, we recommend Tenorshare 4uKey.