Samsung Troubleshooting

PLEASE NOTE:

1:  Please be sure you are using the factory ROM software.

2: Please be sure that the IMEI you get when typing in *#06# is the same as the IMEI under your battery.  Likewise, it must be EXACTLY the same as the IMEI in your order.

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Solution for “Network Unlock Unsuccessful” or “Code Error”

First check the IMEI you provide by type *#06# on the phone. If you provide the correct IMEI, then continue.

Troubleshoot Guide Solution #1 (ANDROID PHONES: Samsung Captivate i897, Vibrant, ETC)

1. Turn the phone Wi-Fi OFF and then turn device ON without SIM card.

2. Type *7465625*638*#

3. You will see the NETWORK LOCK screen4. In MCC/MNC field, enter MCC/MNC code for the provider you want to use. (example: enter 310260 if you want to use this phone for T-mobile USA Sim Card; 310410 or 310380 for AT&T). Check this link for complete MCCMNC for your provider: http://en.wikipedia.org/wiki/Mobile_Network_Code (It is very important to try all the MCC/MNC code if your New Sim Card Network has more than one code)

Common MCC/MNC

AT&T USA
MCC: 310
MNC: 410

T-mobile USA
MCC: 310
MNC: 260

Bell Canada
MCC:302
MNC:610

Rogers Canada
MCC: 302
MNC: 720

Telus Canada
MCC: 302
MNC: 220

Fido Canada
MCC: 302
MNC: 370

Orange UK
MCC: 234
MNC: 33

Vodafone Uk
MCC: 234
MNC: 15

T-mobile UK
MCC: 234
MNC: 30

5. In CONTROL KEY field, enter the Unlock Code

6. Press OK

7. You should get a message: LOCK SUCCESSFUL

8. Turn off your phone, insert your New Network Sim Card and power ON. The phone should be unlocked. If this solutions does not work for your phone; Go to Solution #2

Troubleshoot Guide Solution #2 (You will require a Defreeze (Unfreeze Code), or MCK code for this solution)

1. Insert an Unauthorized Sim Card and power ON your phone. You will see “SIM Network Unlock PIN” or “Enter Network Lock Control Key” on the screen.

2. Type your Defreeze Code (MCK Code) and hit Unlock button. You will get a “Unsuccessful” message but don’t worry, this is normal.

3. Now type the Unlock code (Network or NCK Code) and hit Unlock button. If the phone say “Network Lock Successful” it worked and your phone unlocked. But if not, go on to step 4.

4. If you get “Unsuccessful”, hit Dismiss button and type *2767*3855# on phone keypad. (CAUTION! This will reformat all your data!, you will lost all data on the phone.)

5. After phone restarts, enter the Defreeze Code (MCK Code) when prompted at “SIM Network Unlock PIN” or “Enter Network Lock Control Key” screen and hit Unlock button. You will get a “Unsuccessful” message but don’t worry, this is normal.

6. Enter the Unlock Code (Network or NCK code) and hit Unlock button.

7. Your phone should now say “Network Lock Successful”

8. Now your phone is successfully unlocked!

Troubleshoot Guide Solution #3 (You will require a Defreeze (Unfreeze Code), or MCK code for this solution)

1. Power off and on your phone with different network sim card. “SIM network unlock PIN” or “Enter Network Lock Control Key” screen will appear.

2. Type your Unfreeze code (MCK code) and hit Unlock button. You will get “unsuccessful message” again but don’t worry.

3. Now type the Unlock code (Network or NCK code) and hit Unlock button.

*If phone say “Network Lock Succesful” it worked, but if not, proceed to step 4.

4. If you get “unsuccessful” again then hit Dismiss button and type *2767*3855# on phone keypad. (CAUTION! This will reformat all your data!)

5. After phone restarts, type the Unfreeze code (MCK code) when prompted to enter “SIM network unlock PIN” or “Enter Network Lock Control Key” screen and hit unlock button.
It will say “unsuccessful” again, don’t worry!

6. Type the Unlock code (Network or NCK code) and hit Unlock button.

7. Your phone should now give you the message “Network Lock Successful”

Now your phone is successfully unlocked!

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

1. Turn ON your phone without Sim Card
2. Type #0111*CODE# (CODE is the Unlock Code I sent you)
3. Device should say “Network Lock Deactivated”
4. The phone may reboot and the unlock is completed
Model: SGH-A877

1. Insert an Authorized Sim Card and turn ON your phone
2. Device must be in Portrait mode. Hit the Dial button on the touch screen.
3. Type #7465625*638*CODE# (CODE is the Unlock Code I sent you)
4. Device should say: “Network Lock Deactivated”
5. Phone may automatically reboot

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

1. Insert an Authorized Sim Card and turn ON your phone
2. Type #7465625*638*CODE# (CODE is the Unlock Code I sent you)
3. Device should say: “Network Lock Deactivated”
4. Phone may automatically reboot

Model: Most Non Android Samsung

1. Insert an Unauthorized Sim Card and turn ON your phone
2. Phone will ask for “Password”
3. Enter Unlock Code

Or

1. Insert an Unauthorized Sim Card and turn ON your phone
2. Type #0111*CODE# (CODE is the Unlock Code I sent you)

 

PHONE FREEZE: SIM Unavailable

1. Insert an Unauthorized Sim Card and turn ON your phone so phone displays “Phone Freeze, SIM unavailable. Please contact service provider”
2. Enter MCK (Defreeze Code) and press “OK”, “Confirm” or the center button (no digits will be seen on display when entering this code)
3. Now phone will ask you for Network Code, enter NCK (Unlock Code) and press OK.
4. If nothing happens when you enter NCK (Unlock Code), you will need to compose code like this: #7465625*638*CODE# (CODE is the Unlock Code I sent you)
5. Now your phone should be unlocked.

Note. If phone does not accept NCK (Unlock Code), and still have no luck with #7465625*638*CODE# (CODE is the Unlock Code I sent you), please try step 4 using MCK (defreeze code)

To solve “Phone Freeze” or “Return for service problem”

1. Insert an Unauthorized Sim Card and turn ON your phone
2. Enter “Defreeze” Code (it will not be visible) and click OK key. (If you purchased our Samsung Factory method, then the “Freeze Code” is also known as Defreeze Code)

Or

1. Insert an Unauthorized Sim Card and turn ON your phone
2. Screen will display “Phone is freeze / SOS”
3. Type the Defreeze Code (Nothing will show on screen)
4. Hit the “Enter Button”
5. Phone will ask for the Network Lock Code
6. Enter Unlock Code
7. Phone will be unfreeze and unlocked