By Jenefey Aaron

Updated on 2025-04-14

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Unlock Android

MCK Code Samsung List for Free - 2025 Updated

By Jenefey Aaron

2025-04-14 / Unlock Android

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Have you entered the wrong unlock code too many times and now your Samsung phone is asking for an mck code? Don’t worry—you’re not alone! Many users face this issue when trying to unlock their device for a new carrier or after forgetting their PIN.

The mck code Samsung is a master unlock code that resets the SIM network lock, allowing you to switch carriers freely. In this guide, we’ll explain everything you need to know about mck codes and the best way to unlock your Samsung device easily.

Part 1. What is the MCK Network Unlock Code?

Part 2. How to Get MCK Unlock Code?

Part 3. Still Can't Unlock? Use a Third-Party Unlock Service

Part 4. How to Use an MCK Network Unlock Code

Part 5. FAQs about MCK Code Samsung

Part 1. What is the MCK Network Unlock Code?

The mck network unlock code (Master Control Key) is a special reset code for Samsung phones. If you enter the wrong network unlock code too many times, your device will be locked, preventing SIM card changes. The mck code removes this restriction, allowing you to unlock your phone and switch carriers freely. Without this code, your device remains tied to the original network.

Part 2. How to Get MCK Unlock Code?

Your Samsung phone may get hard-locked, prohibiting additional attempts, if you repeatedly enter the incorrect network unlock code. To unlock your smartphone, you will need to enter the MCK (Master Control Key) code, which is a unique reset code provided by Samsung. Here's how to get it.

1. Contact Your Network Carrier

Since most Samsung phones are sold locked to a specific carrier, your first step should be to contact your service provider to request the samsung mck code free.

Steps to Obtain MCK Code from Your Carrier:

Find Your IMEI Number: Dial *#06# on your phone to retrieve the 15-digit IMEI number. This number is essential for identifying your device.

Call Your Carrier’s Customer Support: Contact the support line of your network provider (e.g., AT&T: 1-800-331-0500, Vodafone UK: 191).

Provide Required Details: The carrier may ask for:

Your IMEI number
Account details (Name, Phone number, Address, etc.)
Proof of purchase (receipt or invoice)

Request the MCK Code: Ask specifically for the mck code to reset the unlock attempt limit.

Receive and Use the Code: If eligible, the carrier will provide the mck code along with instructions on how to enter it.

2. Reach Out to Samsung Support

If your network carrier cannot provide the mck network unlock code, the next option is to contact Samsung directly. Samsung keeps a database of these codes and may be able to provide it upon verification.

Steps to Obtain MCK Code from Samsung:

Go toSamsung Support and navigate to the contact section.
You can also call Samsung’s helpline for your region.
Provide your IMEI and Ownership Details Samsung will likely ask for:

Your IMEI number (Dial *#06# to find it).

Proof of purchase (e.g., store receipt or order confirmation).
Device details (model, purchase date, etc.).

Mention that you need the MCK (Master Control Key) code because your device is hard-locked due to too many incorrect attempts.
Samsung may take a few days to process your request and send you the mck code.

Part 3. Still Can't Unlock? Use a Third-Party Unlock Service

A reputable third-party program can assist if you've attempted to unlock your Samsung phone using the mck code but are still unable. Tenorshare 4uKey for Android is designed to remove screen locks quickly and efficiently, even when other methods fail.

Whether you’re locked out due to a forgotten password, PIN, or pattern, this tool provides a hassle-free way to regain access. Unlike complicated manual processes, 4uKey offers a straightforward solution that works even if your device isn’t linked to a Samsung or Google account.

Why 4uKey for Android Stands Out

For early Samsung models, access your device without erasing data.
No technical skills required; just follow easy step-by-step instructions.
Developed by trusted professionals with a high success rate.
Supports a range of brands, including Samsung, LG, Huawei, Google Pixel, and Xiaomi.
Removes Google verification (FRP lock) after a reset without risky third-party apps.
Dedicated help guarantees a smooth unlocking process.

How to Unlock Your Samsung Phone Using 4uKey for Android

Download and launch Tenorshare 4uKey for Android on your computer.
Select "Remove Screen Lock" from the main menu.

If supported, choose "Keep Device Data" to unlock without losing files.

remove the lock screen passcode from android

Select your Samsung model from the list and click "Start".

Follow the on-screen instructions to boot your phone into Download Mode.

Wait for the unlocking process to complete. Your phone will be unlocked and ready to use.

Part 4. How to Use an MCK Network Unlock Code

To remove the restriction, follow these instructions if your Samsung phone is network-locked and requesting an mck network unlock code. Check with your carrier whether you are eligible for a mck code samsung free.

Guide to use mck code for Samsung:

Insert a SIM card from an unsupported carrier and power on your phone.
A prompt will display, asking for an unlock code. Enter the mck network unlock code to reset the network lock.

Once reset, input the NCK (Network Unlock Code) to finish the unlocking process.
Restart your phone and verify that the network is now unlocked.

Unlocking Samsung Models with Specific Codes

Various Samsung models require different methods to bypass network locks. Here’s how to unlock some of them:

Samsung SGH-P207

Reset your phone by dialing 27673855#, then wait for the reboot.
Insert an unsupported SIM card and turn on the device.
Dial #99983323#, then press the right soft key.
Select "Malloc Fail", allowing the phone to restart.
Dial *0141# to display the current network provider.
Restart, go to Settings > Security > SIM-Lock, and disable it using 00000000.

Samsung SGH-E400

Insert a SIM card and turn on the device.
Dial 2767688# and press Exit.
Power off, switch the SIM, and turn it back on.
Enter 00000000, restart, then dial *#7337# to finalize the unlock.

Samsung J600 / SGH-A127 / E840 / F210 / T749

Power on your phone without a SIM card.
Enter #0111*CODE# (replace "CODE" with the correct unlock code).
A message will confirm "Network Lock Deactivated", indicating the unlock is complete.

Samsung SGH-X100

Insert a SIM card and turn on the phone.
Dial #99983323# and select Option 7 from the menu.
Restart the phone and enter *0141#.
Turn off the phone, insert another SIM, and power it back on.
Enter 00000000, restart again, then dial *#7337# to complete unlocking.

Samsung SGH-A107

Power on the phone without inserting a SIM card.
Dial #7465625638Unlock Code#.
A confirmation message will appear stating "Network Lock Deactivated".

Part 5. FAQs about MCK Code Samsung

Q1: How long is the MCK code?

The mck code is a 16-digit number. If you received it from EE or your network provider, follow these steps:

Use the last 8 digits from the 16-digit code to proceed past the lock screen.
Once prompted, enter the first 8 digits to complete the unlocking process.

Q2: Who provides the MCK code?

The original network provider is responsible for providing the MCK. If your carrier is unable to assist, you can also contact Samsung Support for further assistance.

Final Words:

Unlocking your Samsung phone can be frustrating, especially when dealing with an mck code Samsung issue. While network providers or Samsung Support can help, the process can be time-consuming.

For a quicker and hassle-free solution, Tenorshare 4uKey for Android is a great choice. It allows you to remove screen locks and bypass restrictions without needing an MCK code. Whether you're locked out or dealing with a forgotten password, 4uKey makes unlocking your Samsung device simple and efficient.

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