SIM Network Unlock PIN Code for Free

Gorilla updated on Nov 21, 2024 to iPhone Unlocking Tips

This post describes what is SIM network Unlock PIN code and how to get the Netwrork SIM unlock code from carrier or third-party services. Whether your phone is Samsung, Motorola, LG, or iPhone, this guide will get you covered!

What Is SIM Network Unlock PIN

SIM network unlock PIN, also known as network unlock code, is a unique code that is used to unlock a mobile phone from the network carrier's restrictions. When a phone is locked to a specific carrier, it can only be used with that carrier's SIM card. However, by entering the SIM Network Unlock PIN, the phone can be unlocked and used with SIM cards from other network carriers.

Therefore, with SIM network unlock PIN, you can unlock your phone from the network carrier's restrictions and use a SIM card from another network provider. The free network unlock code is typically provided by the original network carrier.

The SIM Network Unlock PIN may sometimes contain both an MCK code (Master Code) and an NCK code (Network Unlock Code), or just one or the other. Users are usually required to provide an IMEI number to the carrier in order to obtain the correct SIM Network Unlock PIN to unlock the phone's SIM card lock.

Note that the SIM network unlock PIN has nothing to do with the SIM PIN or PUK code. The SIM PIN and PUK code are used to protect your SIM card from unauthorized use on another device, while the SIM network unlock PIN is used to unlock your phone from the restrictions of the original network carrier and use it with a different network provider. These are two completely different things.

How to Get SIM Network Unlock PIN for Free from the Carrier

To unlock the device with a new SIM card from another carrier instead of the original network provider, you may need to get the SIM Network unlock PIN for free from the carrier​.

To Get SIM Network Unlock PIN for Free on Samsung

According to Samsung Customer Service, you can try to enter the SIM Network Unlock PIN code below to unlock your Samsung SIM card and network for free. Here's how to unlock Samsung to any network with a common PIN code:

Step 1. Turn on your Samsung phone that appears "SIM network unlock PIN" or "network locked SIM card" after you insert a different carrier SIM card.

Step 2. Enter the MCK code: 71730920 and tap "UNLOCK." Note that you only have one chance to enter the code, make sure you enter it correctly.

Step 3. It will prompt "Network unlock request unsuccessful."

Step 4. Now enter the NCK code: 41461575 and tap "UNLOCK" again.

Step 5. When you see "Network unlock successful," it means the SIM card and network are available now on your Samsung phone.

If the network unlock code for Samsung is invalid, you can also contact the Samsung Customer Service directly by email at dear_customer@contactus.samsung.com, provide your Samsung IMEI number to get a unique master code or network unlock code for free to unlock the Samsung SIM network unlock PIN screen easily​.

To Get SIM Network Unlock PIN for Free on Motorola

Apart from Samsung users, some Motorola and other Android phone users also encounter this invalid SIM card matter, which can be very frustrating. If convenient, you can try 12345 first, which is sometimes used as a reset number. As mentioned before, the best way is still to provide the IMEI number of your Motorola phone to the carrier or Motorola Customer Service (1-800-734-5870).

the specific NCK code for each Motorola phone is unique and tied to the phone's IMEI number. Therefore, it is crucial to provide the correct IMEI number when requesting the NCK code or SIM service provider unlock PIN for Motorola​ to ensure successful unlocking of the phone.

To Get SIM Network Unlock PIN for Free on iPhone

There is no universal or common SIM Network Unlock PIN that works for all iPhones for free. Each iPhone has a unique IMEI number and unlocking code that is specific to that device. The SIM Network Unlock PIN is provided by the network carrier that the iPhone is locked to, and it is used to unlock the phone to be used with a different carrier's SIM card.

To obtain a SIM Network Unlock PIN for free on an iPhone, you typically need to contact the network carrier that the phone is locked to and request the unlock code. Some carriers may provide the unlock code for free, especially if you have completed your contract or meet their unlocking requirements.

If you don't know whether you're locked by the carrier and how to contacts to the carrier, you can refer to the Apple's officila tutorial: Unlock Your iPhone for Use with a Different Carrier.

How to Get SIM Network Unlock PIN with Online Third-party Services

Getting a SIM Network Unlock PIN for free can be a bit challenging, as the phone devices are typically locked to a specific carrier unless purchased as unlocked. If you are unable to get the SIM Network Unlock PIN for free from the carrier, you may consider using a reputable third-party unlocking service that can provide the unlock code based on your IMEI number.

Below, I recommend 3 online websites to help you get a SIM network unlock PIN code without a carrier. iPhone, Samsung, Motorola, LG and other Android phones are all supported.

Instructions: Visit the online SIM network unlock PIN free code generator by IMEI number​, and then select your phone model and the network carrier it is locked to. Provide the IMEI number of your phone. Then it will provide you with the SIM Network Unlock PIN code. Finally, enter the network unlock code on your phone and unlock it for use with any carrier.

1. DirectUnlocks

DirectUnlocks is an online service that provides SIM network unlock PIN codes for a wide range of phone models, including iPhones, Samsung, Huawei, LG, Sony and more.

To obtain the unlock code from DirectUnlocks, you need to provide them with the IMEI number of your phone and the network carrier it is locked to. The service claims to provide fast and reliable unlocking services, allowing you to use your phone with any carrier around the world.

2. Official SIM Unlock

Official SIM Unlock is another reputable online unlocking service that offers SIM network unlock PIN codes for various phone models, including iPhones, Samsung, Huawei, and more.

To unlock your phone through Official SIM Unlock, you also need to provide them with the IMEI number of your phone and the network carrier it is locked to. The service claims to provide a permanent unlock solution that allows you to use your phone with any carrier worldwide.

3. CanadaUnlocking

CanadaUnlocking is a trusted online unlocking service that specializes in providing SIM network unlock PIN codes for a wide range of phone models, including iPhones, Samsung, LG, and more. To unlock your phone through CanadaUnlocking, you need to provide them with the IMEI number of your phone and the network carrier it is locked to.

How to Unlock iPhone Network and Carrier Lock Without SIM Network PIN

Have you ever thought about unlocking SIM card without code​? Well, it is feasible to unlock iPhone network without carrier or any PIN code. EaseUS MobiUnlock is highly recommended here to unlock iPhone to any network without any effort.

The only thing to be aware of is the necessity of jailbreaking. Only with jailbreaking can you unlock the iPhone restrictions to SIM carriers. But don't worry, below are the step-by-step guide on how to unlock iPhone network lock without code using this EaseUS unlocking software:

Step 1. Connect your iPhone to the computer and run EaseUS MobiUnlock. Select "Remove SIM Lock" from the home-page. 

Step 2. Check your device's infromation displayed on the screen, and then click "Start." After that, you'll see our Terms of Use, click "I Agree" and then click "Start" again to proceed. 

Step 3. Then, you'll need to confirm your device information and click "Start Unlocking" to strat the unlocking process. Wait until the process is completed. 

Step 4. Once the SIM card is unlocked, you can disconnect your iPhone and go to check whether it is SIM lock removed. 

 

Bonus Part: Difference between SIM Network Unlock PIN and SIM PIN

What is a SIM PIN on iPhone? The SIM PIN (Personal Identification Number), also called SIM service provider unlock PIN, is a security feature that locks your SIM card with a PIN and protects your SIM card from unauthorized use. It is a four to eight-digit code that you can set up on your device to prevent others from using your SIM card in another device.

The SIM PIN, is specific to your SIM card and is used to unlock the SIM card. When you turn on your iPhone or insert a new SIM card, you may be prompted to enter the SIM PIN to unlock the SIM card and access the network. The default SIM PIN unlock code for T-Mobile and Sprint is 1234, while the default SIM PIN unlock code for Verizon and AT&T is 1111.

PUK code is another security feature that is used to unlock a SIM card that has been locked due to entering the wrong SIM PIN multiple times. The PUK code is a unique eight-digit code, also provided by your mobile network operator.

The SIM network unlock PIN is not specific to the SIM card but rather to the phone itself, allowing you to use the phone with different network providers. Therefore, in terms of SIM network unlock PIN, it has nothing to do with the SIM PIN code or PUK code. The PUK code can be used to unlock the SIM card, but it is completely useless for the carrier lock on your device.

Conclusion on SIM Network Unlock PIN Code for Free

In this article, you've learned how to unlock network locked SIM card​ with or without carrier. Just identify your IMEI number and try to unlock carrier from phone using the methods mentiond above. Also remember that the PUK code can't unlock your phone locked by the carrier. PUK code is designed to unlock the SIM lock to avoid unauthorited access for the SIM card. You can only use SIM Network PIN code to unlock SIM network. Or you can also download EaseUS MobiUnlock to unlock a network locked SIM without any code or network provider on your iPhone.

FAQ on SIM Network Unlock PIN Free

If you have any other questions about SIM network unlock PIN, you can view the relevant terms.

1. What is MCK code?

MCK code stands for Master Code Key. It is a specific code used to unlock certain features and functions on a mobile phone, including removing SIM card lock. The MCK code is typically provided by the phone manufacturer or service provider and is used to unlock the phone's full functionality. The MCK code is specific to each phone and is used to access advanced settings and features that are normally restricted.

2. What is NCK code?

NCK code stands for Network Control Key, also known as Network Unlock Code. It is a specific code used to unlock a mobile phone from its original network carrier, allowing the phone to be used with a different carrier's SIM card. When a phone is locked to a specific network, it will prompt the user to enter the NCK code in order to unlock it and use it with another network.

3. What is IMEI number?

IMEI stands for International Mobile Equipment Identity. It is a unique 15-digit code that is assigned to every mobile phone to uniquely identify it on a mobile network. The IMEI number is used for various purposes, including tracking lost or stolen phones, activating or deactivating a phone on a network, and verifying the authenticity of the device.

The IMEI number is typically found on a sticker located on the back of the phone, under the battery, or in the phone's settings menu. It can also be accessed by dialing *#06# on the phone's keypad. It is important to keep a record of your IMEI number in case your phone is lost or stolen, as it can be used to block the phone from being used on any network.

4. What is PUK code?

PUK code stands for Personal Unblocking Key. It is a unique code provided by a mobile network operator to unlock a blocked SIM card. The PUK code is used when the PIN code of the SIM card is entered incorrectly multiple times, resulting in the SIM card being locked.

When a SIM card is blocked, the phone will display a message asking for the PUK code to unlock the SIM card. The PUK code is a security feature designed to protect the SIM card from unauthorized access. It is typically provided by the mobile network operator and can be found on the SIM card packaging or obtained by contacting the operator's customer service.