Use This Unlocking Instructions and Troubleshooting Guides For All Samsung Models

Unlock Samsung

This is an instruction on how to unlock any Samsung phone model with unlocking code. Also you will see how to defreeze the phone if it was hard locked and other alternatives ways to unlock Samsung phone.

You can use this tutorial for all Samsung models including Galaxy S4 and Note 2. But the most important thing is to read notes and advices provided by our team.

Also if you will have some troubles or errors during unlocking process you can read our Troubleshooting guide for each error and for any model of the phone.

First let’s start with Important Notes and it is very important to read them.

Important Notes

  • Before entering a code and do any further actions first make sure that Wi-Fi and AirPlane mode is off (only if your Samsung device is running Android OS).
  • Make sure that you provided correct IMEI number when ordered unlock code.
  • If after entering a code provided by our company you will receive such message as “SIM Network Unlock Unsuccessful” or “Code Error”, DON’T WORRY, it is normal and fixable. You can proceed to our Troubleshooting tutorial guide and fix such errors.
  • Unlock by code is tested for years and 100% working. But in case codes will fail to unlock phone you will need to film the whole unlocking process, including troubleshooting steps to receive a refund if the code we sent would be incorrect.
  • If you will receive several codes you need only the first code – Network unlock code (NCK). If you will receive only one code, it’s normal, just use it to unlock your Samsung phone. More info and examples of received codes see in our FAQ page.

There are different ways to enter a code to unlock the device for other networks (SIM card). You will see different methods of inputting code and you can try all of them. Various Samsung phone models have several ways of inputting unlock code and we described all of them.

How to Enter Network Code to Unlock Samsung Phone

Attention: Make sure you are entering correct/exact code we provided. If you enter an incorrect code several times your phone will hard locked (freeze phone).

Instructions for the Most New Samsung Models Including Recent Android Phones

Method 1.

Insert a non-supported SIM card (any SIM card except the one from original carrier) in your phone and turn it On. After booting the phone will ask to enter a code. Just use the code we sent you.

Method 2.

Insert a non-supported SIM card to complete unlock. Just dial the following:

#7465625*638*UNLOCKCODE#

*UNLOCKCODE – is a code we sent you.

Method 3.

Insert a non-supported SIM card, go to the dial screen as if you are going to make a call and enter the following:

#0111*UNLOCKCODE#

You can also try this method without SIM card or with supported (authorized) SIM card.

Method 4.

Go to the dial screen and enter the following combination:

  • #7465625*638*#

After entering the phone will ask for code so enter 8 digits code you received (Network unlock code).

Instructions for Such Samsung Models As

A107, A137, A167, A177, A227, A237, A437, A517, A707, A767 Propel, A837 Rugby, A798 Mythic, A867 Eternity, A887 Solstice, C417, E250, E370, E590, F400, F480, F490, G600, i907 Epix, J700, L760, S366, T309, T319, ST349, T409, T429, T439, T459 Gravity, T469, T509, T609, T639, T659, T669, T919 Behold, T929, U900, X497, Z105, Z107, Z560.

Method 1.

1.    Take out SIM card and power on your phone.

2.    Type #7465625*638*UNLOCKCODE#

3.    You will see: “Network Lock Deactivated” message.

4.    Done! The phone may reboot.

Method 2.

Do the same steps as in method 1 but with authorized (supported) SIM card inserted.

Note 1: If the Method 1 doesn’t work use another way to unlock Samsung phone any model. If the phone shows the Phone Freeze message you will need to defreeze phone first.

Note 2: In case you insert a non-supported SIM card and see “no Valid SIM card”, remove the non-supported SIM and try with supported SIM or without SIM card at all.

Note 3: Phone “deactivated” means unlocked.

Note 4: Don’t worry if you don’t get the signal. Turn On Wi-Fi connection after Samsung phone and wait for the signal unlocking. Also you can just power off the phone, take out the battery, wait 5-10 seconds, put the battery back inside and turn the phone on to get the signal.

How to Defreeze Samsung Phone if It Is Hard Locked

After inserting incorrect code several times your Phone will freeze. In other words, the Samsung phone will become hard locked. In this case you will need not only network unlock code but also a defreeze code.

If you received only one code from us, you have only the network code.  If you are receiving the “phone freeze” message, you will require a Defreeze code from one of the manufacturer methods.  You can contact us for this.

Here below you can see easy steps on how to enter a defreeze code to unlock hard locked Samsung phone. There are two methods.

Method 1.

1. Insert a non-supported SIM card in your phone.

2. Go to the dial screen.

3. Input defreeze (freeze) code and press enter, or OK.

4. After entering defreeze code Samsung phone will ask you to enter network unlock code. So just enter it and click Ok.

Method 2.

1. Insert a non-supported SIM card and power on the phone. After which the screen will display:

  • Phone is freeze / SOS

2. Enter defreeze (freeze) code and click Ok.

3. Click Ok (Enter).

4. Samsung Phone will ask for the Network unlock code.

5. Just input unlocking NCK code and your Samsung device will be unfreeze and unlocked permanently.

If you have any questions regarding Samsung phone unlocking by code visit our FAQ page or proceed to the Troubleshooting guide.

Troubleshooting Guide to Unlock Samsung Phone

After you made all steps, read all notes and followed all advices and your Samsung phone still locked and hadn’t yet accepted the code only this Troubleshooting tutorial guide will help you.

Attention: Correct unlock code is 100% working. So before we start make sure that you provided correct IMEI. The incorrect IMEI is the most common reason when unlock code doesn’t work. You can check if IMEI is correct typing *#06#.

Unlock Troubleshooting for Samsung Galaxy S2, S3, Note and Note 2

Method 1.

Step 1. Type the following code on the dial pad:

  • *#197328640#

Step 2. Now just click on number [1] UMTS -> [1] Debugging screen -> [8] Phone Control -> [6] NETWORK LOCK.

Step 3. You should see three options.

Step 4. Click on number [1] Perso Sha256 INFO and you will see that the screen has slightly changed.

Step 5. Now just click the MENU button and when the menu pops up click BACK which will return you to the previous screen.

Step 6. In this step click on [2] Perso Sha256 ON and you will see that the screen changed again to a one line message.

Step 7. Now you need to Restart the phone. Hold the power button and click RESTART.

Step 8. After rebooting your handset should ask for the unlocking code. Enter network code and your device will be permanently unlocked.

Unlock Troubleshooting for Samsung Galaxy S4

Step 1. Type the following code on the dial pad:

  • *#0011#

Step 2. Now click the MENU button. When the new menu appears, click BACK.

Step 3. Click the MENU button once again and then click Key Input button.

Step 4. Enter 1 when the Key Input box appears and then click OK.

Step 5. Now just wait until number 1 changes to Service Menu.

Step 6. Then hit [1] UMTS > [1] DEBUGGING SCREEN > [6] Phone Control > [6] Network LOCK

Step 7. And you will see 3 options within Network Lock.

Step 8. Click on number [1] Perso Sha256 INFO, after which the screen should change slightly.

Step 9. Please hit the MENU button then when the menu pops up carefully click BACK to return to the previous screen.

Step 10. Next click key [2] Perso Sha256 ON, and you will see that the screen changed to a one line message.

Step 11. Now just hold the power button and click Restart to reboot iPhone.

Step 12. After rebooting the phone should ask for the unlock code. Enter a code we provided and your Samsung phone will be successfully unlocked for using with other networks.

If the above steps don’t help you can try the second method.

Method 2.

Step 1. Insert a non-supported SIM card, turn Off and On your Samsung phone after which you will see “SIM network unlock PIN” or “Enter Network Lock Control Key” screen.

Step 2. Next enter in the field the unfreeze code (MCK code) and click the Unlock button. Don’t worry when you will see the message that code is incorrect or some other error.

Step 3. Then enter the unlock code (Network or NCK code) and click the Unlock button.

Step 4. After code accepted you will see “Network Lock Successful” message.

Note: if you don’t see such message, proceed to step 5.

Step 5. If you get “Unsuccessful” message once again click the Dismiss button and type *2767*3855#.

CAUTION! This will restore (erase) all your data and settings.

Step 6. Your handset will reboot. After rebooting the phone will ask for “SIM network unlock PIN” or “Enter Network Lock Control Key” so input Unfreeze code (MCK code). Don’t worry if it will say “unsuccessful” again.

Step 7. Now just enter the Unlock code (network NCK code) and click the Unlock button.

Step 8. If you will see the “Network Lock Successful” message your iPhone will be fully unlocked.

If this method is not working as well, try the third method.

Method 3.

Step 1. To start, turn off the Wi-Fi on the phone.

Step 2. Turn On your device without SIM card.

Step 3. After phone is On just type the following combination:

  • *7465625*638*#

After entering this code you will be redirected to the NETWORK LOCK screen.

Now be careful and attentive:

Step 4. In MCC/MNC field enter code of the network to which your Samsung phone is locked (e.g. 23402 for O2 UK).

Note: If you don’t know the code of your provider you can it here:

http://en.wikipedia.org/wiki/Mobile_Network_Code

Some providers have more than just one MCC / MNC. In this case try all of them if needed.

Step 5. In CONTROL KEY field enter the Unlock network code provided by us.

Step 6. Click OK and you should receive Lock Successful message.

Step 7. Turn off your Samsung handset, insert a non-supported SIM card (the SIM you want to use) and turn On your device.

Now your Samsung phone is permanently unlocked and you can enjoy other SIM cards you like.

Fix “PHONE FREEZE: SIM Unavailable” Error During Samsung Phone Unlocking

When you put non-supported SIM card in your freeze phone you will see this message:

“Phone Freeze, SIM unavailable. Please contact service provider”

In this case do the following:

  1. Enter Defreeze code MCK code we sent (more info in FAQ and above) and press OK or Confirm or button in the center. Don’t worry if you don’t see the digits of defreeze code.
  2. Enter network unlock code NCK we sent if phone will prompt for that and click OK.
  3. If nothing just type: #7465625*638*UNLOCKCODE# (UNLOCKCODE you received from us) and your phone is unlocked.

Note: In case nothing happens use defreeze code except NCK unlock network code: #7465625*638*DEFREEZECODE# you have entered in Step 1.

How to Fix “Return for service problem” or “Phone Freeze” Errors

If you got such errors don’t worry because here is an easy fix:

  1. Power ON your Samsung phone with a non-supported SIM card.
  2. Input Defreeze Code (which you won’t see on the screen) and hit OK.

Note: Freeze code means the same as Defreeze Code.

Also if the first two steps don’t work use alternative method to unlock hard locked Samsung phone.

  1. Insert a non-supported SIM card and power On your handset.
  2. When the screen will display “Phone is freeze / SOS” message, add Defreeze Code and click Enter key.
  3. Your device should ask for Network Lock Code.
  4. Type your NCK unlock code to use your unlocked Samsung handset with other networks for life.

 

Alternative Samsung Unlock Instructions

This is the last part of this troubleshooting guide and you can follow steps below choosing the guide that fits to your model of Samsung phone.

Samsung Model SGH-A877

  1. Insert supported SIM card (SIM card of the carrier to which your phone is locked) and turn ON the phone.
  2. Now the phone is Portrait mode so hit the Dial button on the screen.
  3. Enter the following: #7465625*638* UNLOCKCODE# (UNLOCKCODE is the code we sent you).
  4. When the phone will say “Network Lock Deactivated” it may reboot and your device is unlocked.

Samsung Model SGH-A127, SGH-E840, SGH-F210, SGH-J600, SGH-T749

  1. Turn off the phone, take out SIM card and turn on the phone without SIM card.
  2. After booting type the following: #0111*UNLOCKCODE# (UNLOCKCODE is the code we sent you).
  3. The phone should show “Network Lock Deactivated” message.
  4. Device may restart and the unlock is completed.

Samsung Model SGH-P207

  1. Backup your data (photos, docs, tracks, etc.) and type *2767*3855# to reset your device to the factory settings after which your device will reboot.
  2. Insert a non-supported SIM card and power on the phone. You will see the Wrong SIM message and it’s normal.
  3. Input: *#9998*3323# and you will see Exit white screen.
  4. Tap the right soft key. Sometimes it will not go to the next screen, if so press the down key.
  5. In the appeared menu scroll down to the malloc Fail option. Use this option and your phone will reboot to the normal home screen.
  6. Type *0141# and press the green Call button.
  7. You will see the name of the current available carrier.
  8. Power Off and On your Samsung handset.
  9. Tap left soft key to enter the Menu.
  10. Select Settings (right corner on the bottom).
  11. Now just select 7 (Security), then 6 (Sim lock) and then 1 (Disable).
  12. Type eight zeros (00000000) and you will disable SIM lock with a check mark.
  13. At this moment your phone, Samsung SGH-P207, is unlocked and you can enjoy other SIM cards.

Samsung Model SGH-T609

Power on your phone without SIM card and enter: #0111*UNLOCKCODE# (UNLOCKCODE is the code we sent you). When the phone will say “Network Lock Deactivated” phone may reboot and your device is unlocked.

Samsung Model A737, A777, Blackjack SGH-i607, SGH-i616, SGH-i617, SGH-i627, SGH-i637, SGH-A877

  1. Insert SIM card of the carrier to which your handset is locked and turn on the phone.
  2. Dial #7465625*638*UNLOCKCODE# (UNLOCKCODE is the code we sent you).
  3. You will see such message: “Network Lock Deactivated” which means that Samsung phone is unlocked.
  4. Phone may automatically reboot.

Note: In case you can’t connect to your network and make calls/receive messages the problem is not in unlocking. The problem is in the Blackjack which you need to force to change GSM mode. Here below you can see the steps on how to perform it:

  1. Dial the following *#1546792*#
  2. Now choose option 3 – “Network & Call Settings”.
  3. Select option 5 – “Network Mode”
  4. Next select GSM and this will resolve the problem.

Samsung Model AT&T / Cingular BlackJack

  1. If you are the user of such model insert a non-supported SIM card and power on your phone.
  2. Wait near 30 seconds until you see SIM Lock application. If it will take more than 30 seconds don’t worry because the reason can be in the previous attempts to unlock phone using incorrect code.
  3. In the blank field enter unlock code (NCK).
  4. Click OK. If unlock code will be correct you will see a success dialog. If the code will be wrong an error dialog will appear. In this case press OK and re-enter the correct unlock code.
  5. Click OK again and your Samsung phone will be unlocked and continue booting.

If steps above don’t help try another method to unlock Samsung AT&T / Cingular BlackJack:

  1. Insert non-supported SIM card and when your phone will ask for the code enter the one we sent.

Note: In case you can’t connect to your network and make calls/receive messages the problem is not in unlocking. The problem is in the Blackjack which you need to force to change GSM mode. Here below you can see the steps on how to perform it:

  1. Turn on your phone and type: *#1546792*#
  2. Now choose option 3 – “Network & Call Settings”.
  3. Select option 5 – “Network Mode”
  4. Now select GSM and this will resolve the problem.

Also you can try the following;

Or

  1. Turn on the phone without SIM card.
  2. At the top of the screen you will see “SIM Failure” message and it is normal, just click Done.
  3. Now press the green button and when you will see the dial pad.
  4. Type the following: #7465625*638* and you will see “Enter Network Control Key” message.
  5. Input the unlock code we provided and click OK.
  6. That’s it. Now your Samsung AT&T phone is unlocked.

Samsung Model Fido i616 Jack

  1. Put in your phone Fido SIM card and turn on your device.
  2. On the dial pad type: #7465625*638*
  3. Enter unlock code we sent when Network Lock Screen appears and your Samsung Fido phone will be unlocked.

Samsung Models i450 & i560

1.    Power ON your phone without any Sim Card and type the following:

#PW+UNLOCKCODE+1# (UNLOCKCODE is the code we sent you).

  • Quickly press Star button (*) three times and letter P will appear.
  • Quickly press Star button (*) four times and letter W will appear.
  • Quickly press Star button (*) two times and symbol + will appear.

2. Your Samsung phone is unlocked.

Samsung Model i780

  1. Insert a non-supported SIM card and power on your handset.
  2. Enter PIN code of the SIM card.
  3. “Exclamation mark” will appear at the top of the screen. Click on that icon.
  4. You will see Settings link so click on it.
  5. After clicking on Settings link you will see virtual keyboard on the screen asking to enter a PIN.
  6. Enter the unlock code we sent you to unlock Samsung phone.

Samsung Model i900 / Omnia

  1. Turn on Wireless mode and insert a non-supported SIM card.
  2. Next enter the PIN of non-supported SIM card.
  3. Enter unlock code we sent after the phone will ask for it.

Samsung Model J600

You need to enter this code: #0149*MCK# or #0111*NCK#

  1. Click # button one time quickly.
  2. Type the 4 digit code which corresponds to your lock type (in most cases the MCK code will work with code: 1)
  3. Quickly press Star button (*) one time.
  4. Enter Unlock Code which corresponds to your lock type.
  5. Quickly press Star button (*) one time and your Samsung J600 will be unlocked.

Note: If phone is still locked, check locks and enter 2nd code because you have a 2nd lock activated.

Samsung Models Zxxx Series, Dxxx Series, Pxxx Series, F490 (ex: Z170, D600, P360, etc.)

Insert a non-supported SIM card and power on the device. Enter the following code and your phone will be unlocked:

  • #7465625*638*UNLOCKCODE# (UNLOCKCODE is the code we sent you).

Samsung Modela Z320i, Z510, Z650i

This one is simple. Just put non-supported SIM card in the phone and turn on your device. Enter the following:

  • **UNLOCKCODE# (UNLOCKCODE is the code we sent you).

If nothing, just add #0111:

  • #0111*UNLOCKCODE# (UNLOCKCODE you received from us).

Most Non Android Samsung models

Power on your phone with non-supported SIM inserted. When your handset will ask for password just enter network unlock code provided by us.

If your phone will not ask for password then type:

  • #0111*OURUNLOCKCODE#

That’s it. You can use these instructions only if you provided correct IMEI and enter correct unlock codes we sent you.