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  • 15 Aug 2018
    Unlock Codes for Mobile Phones- free Nokia Samsung Unlocks NOKIAcell phone code :These Free Nokia Unlock codes will work on most Nokia Mobile Phones(1) *#06# For checking the International Mobile Equipment Identity (IMEI Number).This is useful when your mobile is lost or stolen.Free Motorola and Samsung Unlock codes are in another post.If u find any difficulty to understand this Unlock code for Mobile Phones please write in comment section.2) *#0000# Displays your phones software version,1st Line : Software Version, 2nd Line : Software Release Date, 3rd Line : Compression Type. ( Favorite )(3) *#9999# Phones software version if *#0000# does not work.(4)*3370# Activate Enhanced Full Rate Codec (EFR) - Your phone uses the best sound quality but talk time is reduced my approx. 5%If mobile is locked you can check by this way(8) #pw+1234567890+1# Provider Lock Status. (use the "*" button to obtain the "p,w" and "+" symbols).(9) #pw+1234567890+2# Network Lock Status. (use the "*" button to obtain the "p,w" and "+" symbols).(10) #pw+1234567890+3# Country Lock Status. (use the "*" button to obtain the "p,w" and "+" symbols).(11) #pw+1234567890+4# SIM Card Lock Status. (use the "*" button to obtain the "p,w" and "+" symbols).How To unlock mobile Phones like Samsung, Nokia and MotorolaFor different networks they lock different locks. Each code also unlocks different locks. You need to type your code into your handset as follows#pw+[one of the below numbers]+x#{To get the p push your * key 3 times, the w is the * pushed 4 times and for + is the *pushed2 times. }X= how far down that list the number you are using is...014023433202622 (1)426357740475450 (2)907372026565074 (3)845941163371047 (4)484167302243762 (5)497227217504624 (6)705550724347656 (7)You should always try code 7 and 1 first.So you would type for code7 #pw+705550724347656+7# andfor code 1 it is#pw+014023433202622+1#.To get the p push your * key 3 times, the w is the * pushed 4 times and+ is the pushed 2 times.When the lock has been removed it will say "SIM restriction off" or somthing similar.(12) *#147# (vodafone) this lets you know who called you last.(13) *#1471# Last call (Only vodofone).(14) *#21# Allows you to check the number that "All Calls" are diverted to(15) *#2640# Displays security code in use.(16) *#30# Lets you see the private number.(17) *#43# Allows you to check the "Call Waiting" status of your phone.(18) *#61# Allows you to check the number that "On No Reply" calls are diverted to.(19) *#62# Allows you to check the number that "Divert If Unreachable (no service)" calls are diverted to.(20) *#67# Allows you to check the number that "On Busy Calls" are diverted to.(21) *#67705646# Removes operator logo on 3310 & 3330.(22) *#73# Reset phone timers and game scores.(23) *#746025625# Displays the SIM Clock status, if your phone supports this power saving feature "SIM Clock Stop Allowed", it means you will get the best standby time possible.24) *#7760# Manufactures code.(25) *#7780# Restore factory settings.26) *#8110# Software version for the nokia 8110.(27) *#92702689# (Favourite)Displays -1.Serial Number,2.Date Made,3.Purchase Date,4.Date of last repair(0000 for no repairs),5.Transfer User Data. To exit this mode you need to switch your phone off then on again.(28) *#94870345123456789# Deactivate the PWM-Mem.(29) **21*number# Turn on "All Calls" diverting to the phone number entered.(30) **61*number# Turn on "No Reply" diverting to the phone number entered.(31) **67*number# Turn on "On Busy" diverting to the phone number entered.(32) 12345 This is the default security code.press and hold # Lets you switch between linesIMEI number: * # 0 6 #Software version: * # 0 0 0 0 #Simlock info: * # 9 2 7 0 2 6 8 9 #Enhanced Full Rate: * 3 3 7 0 # [ # 3 3 7 0 # off]Half Rate: * 4 7 2 0 #Provider lock status: #pw+1234567890+1Network lock status #pw+1234567890+2Provider lock status: #pw+1234567890+3SimCard lock status: #pw+1234567890+4Nokia unlock codes 6110/6120/6130/6150/6190IMEI number: * # 0 6 #Software version: * # 0 0 0 0 #Simlock info: * # 9 2 7 0 2 6 8 9 #Enhanced Full Rate: * 3 3 7 0 # [ # 3 3 7 0 # off]Half Rate: * 4 7 2 0 #NOKIA 3110IMEI number: * # 0 6 #Software version: * # 0 0 0 0 # or * # 9 9 9 9 # or * # 3 1 1 0 #Simlock info: * # 9 2 7 0 2 6 8 9 #NOKIA 3330 unlocks*#06# This will show your warranty details *#92702689#*3370# Basically increases the quality of calling sound, but decreases battery length.#3370# Deactivates the above*#0000# Shows your software version*#746025625#This shows if your phone will allow sim clock stoppage*4370# Half Rate Codec activation. It will automatically restart#4370# Half Rate Codec deactivation. It will automatically restartRestore Factory Settings To do this simply use this code*#7780# Manufacturer InfoDate of Manufacturing *#3283#*3001#12345# (TDMA phones only) This will put your phone into programming mode, and you'll bepresented with the programming menu.2) Select "NAM1"3) Select "PSID/RSID"4) Select "P/RSID 1"Note: Any of the P/RSIDs will work5) Select "System Type" and set it to Private6) Select "PSID/RSID" and set it to 17) Select "Connected System ID"Note: Enter your System ID for Cantel, which is 16401 or 16423. If you don't know yours, ask your local dealer for it.8) Select "Alpha Tag"9) Enter a new tag, then press OK10) Select "Operator Code (SOC)" and set it to 205011) Select "Country Code" and set it to 302 for Canada, and 310 for the US.12) Power down the phone and power it back on againISDN Code To check the ISDN number on your Nokia use this Free nokia Unlock code *#92772689#.::As I tried to collect most common Unlock code for mobile phones.It may not work with some models.
    1755 Публикувано от resan carson
  • 13 Jun 2018
    В САЩ Канада Германия има много GMS SIM компания продават SIM заключен мобилен телефон. Така че не можете да използвате друга SIM карта на този мобилен телефон, без да отключвате мобилни устройства. Например, ако сте закупили tmobile, можете да използвате само tmobile sim на този телефон. И за да използвате друга SIM, трябва да отключите мобилния си телефон. За това трябва да платите всички дължими плащания по отношение на вашия мобилен телефон. Тя трябва да се активира за повече от 50 дни различни SIM мобилни имат различен период на активиране. И ако сте на договор, трябва да сте платили 18 вноски от мобилния си телефон.Tmobile продава LG, Samsung nokia motorola и htc мобилни или отстъпка и контактна база. Той също продава iPhone и други мобилни устройства. По същия начин спринт също продават много мобилни под контакт или SIM locked. И u трябва SIM мрежа отключване ПИН за това.Спринт мобилните устройства, които са наскоро освободени, се отключват автоматично, когато тези мобилни устройства отговарят на условията за това. Или просто трябва да въведете стандартния код за отключване на спринта 000000 или 123456. Още едно предимство е, че спринтът позволява временно отключване за роуминг, ако се отдалечите от състоянието си за няколко дни, можете да го отключите за няколко дни. За отключване на спринтовия мобилен телефон той трябва да е активен от 50 до 90 дни в зависимост от вида на мобилния ви телефон.За да отключите tmobile: Изтеглете tmobile устройство за отключване на приложение и стартирайте приложението, което потвърждава, че вашият IME отговаря на условията за отключване и отключва tmobile SIM картата. Но за това не трябва да има дължимо плащане или оставащо плащане за вашия мобилен телефон. И тя трябва да е активна повече от 40 дни. И вие сте платили поне 18 вноски, ако сте сключили договор.
    1342 Публикувано от resan carson
  • 15 Aug 2018
    Nokia unlock codesNokia phone unlock codes for free. There are different nokia unlock codes for different nokia models like nokia 6288, n95, Nokia 6682, 7270, 6280, 1600, Nokia 6130. Even there are two types of mobile unlocking service provider unlocking – sim unlock. You can also get mobile unlocking software that will generate codes for unlockingFree Nokia Cell Phone Unlock Codes1) Unlock Nokia 6600 (Orange, UK)#pw+399466210777312+1# #pw+719950237732007+5#2) Unlock Nokia 3390 (Fido, Canada)#pw+6595657252+1# or#pw+4474052474+1# 3) Unlock Nokia 6102 (Cingular, USA)#pw+939652056653040+1#4) Unlock Nokia 6820b (AT&T, USA) #pw+895421713251412+1#5) Unlock Nokia 6102b (Cingular, USA)#pw+324556243142742+1#6) Unlock Nokia 6010 (T-Mobile, USA)#pw+748900573631603+1#7) Unlock Nokia 3120 (Vodafone, Spain)#pw+008923325642375+7#8) Unlock Nokia 6101 (T-Mobile, USA)#pw+110464135761655+1#9) Unlock Nokia 6230 (Vodafone, UK)#pw+737190152533105+7#10) Unlock Nokia 7600 (3 Network, UK)#pw+448917267516205+1#.<!--[if gte mso 9]> Normal 0 false false false EN-US X-NONE X-NONE <![endif]--><!--[if gte mso 9]> <![endif]--><!--[if gte mso 10]> /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin-top:0in; mso-para-margin-right:0in; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0in; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin;} <![endif]--><!--[if gte mso 9]> Normal 0 false false false EN-US X-NONE X-NONE <![endif]--><!--[if gte mso 9]> <![endif]--><!--[if gte mso 10]> /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin-top:0in; mso-para-margin-right:0in; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0in; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin;} <![endif]-->          If you have latest nokia smartphone like nokia lumia 730 dual sim or nokia lumia 1520 32gb then here is the nokia lumia smartphone secret codes. These codes are useful to unlock hidden menu of your nokia android. This code are used for sim lock status of lumia 1020, service provider lock of nokia lumia 930 and various useful function for nokia wifi test, screen test and many test mode code for nokia lumia smartphones.  
    1197 Публикувано от resan carson
  • 15 Aug 2018
    Lg smartphone secret code and codes for lg mobile test mode, simlock menu etc.Lg smartphone imei and software version :-       There are many way you can know the imei no and software version of your mobile. These details are also written around sim slot or around battery socket inside mobile.       If you have lg dual sim smart phone then. Then there might be to different imei no for main sim slot and secondary sim slot or master imei and slave imei.       You can check this by go to phone setting> about phone> imei related information > imei slot 1=15 digit no & imei slot two =15 digit no. And inside this manu you can find lg mobile android software version like kitkat 4.4 or lollipop 5.1 etc.For lg 510 cdma or mobile model use   =>    *#07#        for imei and software version. *#06# provide only imei no.How to get Lg smartphone sim lock menu code:-There are different codes for different lg mobile.It is normally      1945#*lg model no #     or      2945#*lg model no # For lg b1200, lg 510w, 5200   =>   2945#*5101# or 2945#*5102#For lg 7010, lg 7020    =>        2945#*70001# or 2945#*70002#           Here is the detail information of various lg codes for unlocking various lg mobile. This entire blog is made for nokia codes, Motorola code, Samsung codes and all mobile codes.How to enter Lg service mode :-    This method are applicable to lg k5, lg g5, lg g4 stylus,  lg g4c Dual SIM (Dual lte), lg g stylo, lg magna lte, lg Beat.lg g4 model secret code for service mode is 277634# *#   or   277634*#sim provider no according to your country #.For some new mobile use    --    3845#*lg model no#.For example LG Optimus Sol E730     --   3845#*730#.        Lg optimus 3d p920       --  3845#*920#Lg kp500 cookie series    –    1809#*lg model no/ 500#.Lg 900 android                --    1809#*lg model no/ 900#.Depending upon a model, following options are available in service menu code.Data, SMS, H/W Test, FCC Test, lcd & led , Bluetooth, device, WAP Setting, Get It Now Settings, Audio Setting, Battery  Test,Music Setting, auto test ,factory reset, software version. Lg mobile test menu & engineer menu code   - For lg model  u310 -Test menu and nck lock / network lock menu -- 2945#*450#  or 566366#*#.Engineer mode     : -   #*72346#96.                 For Lg u450 - Test menu code        -- 2945#*450#. Engineering mode code   -- #*72346#96.  I am not much sure about this particular code.Lg u250 -Test menu code  :-       2611147#*lg model no /250#.For network code menu  -- 2945#*lg model no /250#  same for different lg model.Engineering mode :-   3646633#96.lg phone unlock menu code :-For most of the old lg phone    --    1945#*lg model no #. For the lg smartphone starting age   --     2945#*lg model no#.For latest lg smartphone              --    3945#*lg model no #.  For this latest lg smartphone you require to press and hold power butter and camera button and then enter code.  Lg phone reset master code :-First Factory reset code -- 2945#*#.Second Factory reset code    --    # + press and hold power button then 668.Third Factory reset code    --    *6861# or *#*#7780#*#*.Lg neon 2 and other newer phone, there are three types of reset soft reset, master reset and master clear.     In master reset  all configuration reset to original like your new phone .while in master clear all the configuration reset to default setting and all the data cleared.        In soft reset you just remove the battery and insert it again so just you need to enter time and date, no changes to your phone setting occur.      For master reset and master clear go to phone setting > reset setting > select master reset and master clear > message prompt all setting reset to default > select yes and enter security code 0000 and press ok.Lg battery health and other information code:-Enter code *#*#4636#*#*            This code work for all smartphones like Lg, Samsung , Nokia, Motorola etc. it is mainly android code rather than a lg mobile code.This will provide many information like  Phone information, Battery information, Usage statastics, WiFi information.You can also check about your battery by phone setting > about battery > battery usage.
    1174 Публикувано от resan carson
Видяно 701 пъти Aug 15, 2018
Howto network unlock samsung galaxy s7 edge


How to unlock samsung galaxy s7 edge, free at&t t-mobile sim network unlock galaxy s7 and how to get samsung g s7 / s7 edge sim network unlock code from imei no.


                           Samsung galaxy s7 edge and galaxy s7 equipped with chipset exynos 8890 and snapdragon820. Samsung g s7 support 2g 3g gsm / cdma / 4g lte having 4gb ram and internal memory 32gb /64gb and expandable to 256gb. In samsung galaxy s series samsung galaxy s7 edge and galaxy s7 have display screen 5.5 and 5.1 respectively and having quad hd super amoled display. Amoled stand for active matrix organic light emitting diode. It has 12 mp rear camera and dual pixel 5mp front camera. Galaxy s7 edge installed with android os version marshmallow 6.0. galaxy s7 edge and galaxy s7 have battery 3600mah and 3000mah.



 First method to unlock Samsung galaxy s7 edge and Samsung g s7 unlocking vie retrieving network unlock code from galaxy s7 marshmallow os.


                                                    When your Samsung galaxy s7 edge sim locked then unlock code must be stored within android os of your Samsung g s7.  To recover network unlock code first download any good file explorer or root explorer from the app store.  This method cannot be used with sprint, Verizon, bell and telus cdma samsung galaxy s7 edge unlocking as there is no unlock code used in cdma unlocking. This trick can only be used with gsm network unlocking like at&t and t-mobile sim unlocking.

                            Also go to Samsung g s7 edge setting- about device- software info- tap 7 times build number. This will open developer option. Now if there is an option for enable usb debugging, root explorer and mount file system then enable those options.


Also install su - superuser to root/ system / sbin,xbin and bin.


Now here are the possible location where your Samsung galaxy s7 smartphone sim unlock code and Samsung g s7 edge network unlock code can be stored.


              1)            Now browse the /root folder of s7 edge galaxy android and find the folder named carrier. Under carrier folder there is a file name called property or build.Prop and apn config. So location for unlock code for galaxy s7 edge is */carrier folder/. These are the files where network information and sim network locking information are stored. If you replace this file with unlocked version of files then your samsung galaxy s7 edge can be unlocked for free. Carrier folder has all information about gsm sim network. For older galaxy mobiles here is the way to find samsung galaxy sim network unlock code  from samsung android os. This method is only useful for previous version of samsung galaxy mobile.  At&t t-mobile sprint cricket sim carrier folder may have different name.


                2)      Now there is efs folder under */root folder. This efs folder have all information about your galaxy s7 imei number, sim network information, sim locking information and it also has nv data nv stand for non volatile memory. This file may content information about sim locking code. So search for nvm_001, nvm_002 file name. And if you find such file open those file with editor and look for network lock or sim lock information.  Rewrite of nv data can also unlock your android Samsung g s7 edge smartphone. I have created separate post for how to unlock Samsung mobile without unlock code go through that post in that post I have given detail about how to  get nv data option on Samsung galaxy mobile. Efs folder also contain carrier folder which has hidden menu for your Samsung galaxy s7 edge smartphone.


            3) Now you can also look into root/ system folder or system / sbin or bin folder for simlock, networklock or carrierlock file. If such file exists then twick with those files can also unlock your galaxy s7 edge smartphone.

                            It is not necessary that such file always exits on your Samsung g s7 android mobile. These are just tricks to unlock galaxy s7 edge for free.

You can use this method for following galaxy s7 edge models and galaxy s7 model.

               Unlock bell samsung galaxy s7edge sm-g935w8, galaxy s7 edge sm-g935f  Europe , china samsung galaxy s7 edge sm-9350, unlock at&t samsung galaxy s7 edge model no. sm-g935a, unlock t-mobile samsung galaxy s7 edge model no. sm-g935t, us cellular samsung galaxy s7 edge sm-g935r4 unlock, Verizon samsung galaxy s7 edge unlock model no. sm-g935v.

Second method for how to unlock samsung galaxy s7 edge for free without sim network unlock code.

                                    This method requires more technical knowledge about your android galaxy s7 edge smartphone.  This can permanently unlock bell, telus, at&t and t-mobile  samsung galaxy s7 and s7 edge gsm network. But if you are unlocking cdma galaxy s7 edge / cdma Samsung galaxy s7 then after firmware installation you need to enter your cdma network information for your galaxy s7 android. As in gsm subscriber network information stored at sim card like cricket, us cellular sim. But in cdma there is no sim card, network information is software coded into your galaxy s7 mobile phone.

1)      In this method first go to setting -about phone and find baseband version of your samsung g s7 edge. Also find the mobile modem version and modem firmware version of galaxy s7 edge.

2) Here are the few samsung galaxy s7 ussd codes for software, hardware and firmware version.
*#1234# ,   *#8999*8376263#   and   *#2222# .

3) Now download galaxy s7 edge modem firmware version as per your model no. At&t samsung galaxy s7 edge model no. is sm-935a, at&t galaxy s7 model no. sm-930a and tmobile samsung galaxy s7 edge model no is sm-935t, t-mobile galaxy s7 model no. 930t. You can also download degrade version of galaxy s7 modem from any free source.  For samsung galaxy note5, galaxy note 3 here is another method for sim network unlocking galaxy note5. But here I am providing more better way to unlock galaxy s7 mobile you can also use this method for galaxy note4 and galaxy note4 unlocking.

4) When your samsung g s7 smartphone sim locked, such locking occurs at firmware software level. Such locking are logical and there are no physical sim locking. So if you replace entire firmware software of your samsung galaxy s7 edge. Then there will be no locking and your bell / at&t / t-mobile samsung galaxy s7 edge fully unlocked.

5) Connect your samsung galaxy s7 / s7 edge to computer. Also keep copy of android software developer kit sdk. Install usb driver for samsung g s7 or s7 edge on your computer.

6) Enable usb debugging on your samsung galaxy s7 smartphone.

7) Now download any samsung compatible software which allow you to reinstall or change modem firmware software on your galaxy s7 or s7 edge.

8) It is advisable to download degrade version for modem firmware, and then install that degrade version of modem firmware on your samsung galaxy s7 edge / galaxy s7. After installing degrade version of firmware your samsung galaxy s7 edge is unlocked. Then upgrade your modem firmware to actual modem firmware which was installed on your locked samsung galaxy s7.
              If sim locking is done at bootloader level then this method will not work. You need custom bootloader for unlocking your samsung mobile.
              Above samsung galaxy s7 unlocking method can be used for following samsung g s7 models.

Sim unlock bell samsung galaxy s7 model no. sm-g930w8, china samsung galaxy s7 sm-g9300/9308, Europe samsung galaxy s7 sm-g930, cricket samsung galaxy s7 unlock model no. sm-g930az, at&t samsung galaxy s7 unlock model no. sm-g930a, t-mobile samsung galaxy s7 unlock model no. sm-g930t, us cellular samsung galaxy s7 unlock model no. sm-g930r4, Verizon samsung galaxy s7 unlock sm-g930v.

Third method how to get sim network unlock code for samsung galaxy s7 and s7 edge

There are many unlocking software tools and apps for samsung galaxy unlocking. You can search on internet. There are many galaxy model specific unlocking software and download latest version software. Some of old software will not generate correct unlock code for galaxy s7 / s7 edge.

To generate samsung galaxy s7 network unlock code you need following information about your samsung g s7 and s7 edge.
        1)      Imei no of your samsung g s7 edge / galaxy s7 cellphone.

       2)      Carrier with your samsung galaxy s7 android locked : at&t, t-mobile, bell, orange, o2, us cellular and cricket.

      3)      Mobile country code / mnc where your samsung smartphone locked:

United states of America / usa :310, Canada:302, United kingdom / uk :234, Germany: 262, France :208, Australia :505, Oman : 422 ,Saudi Arabia:420 and United arab Emirates / Uae : 424, Ireland : 272.

       4)      Mnc / mobile network code for gsm sim locked carrier:

Mnc for usa at&t unlock= 70,90, mnc for usa t-mobile unlock=26, mnc for usa cricket unlock=16, mnc for usa Verizon unlock=110 and Sprint =120.

Mnc for Canada bell unlock=640,650, mnc for Canada telus unlock=220,221.
O2 uk unlock=2 and Vodafone uk=15.
Mnc for Orange France unlock=1, 2.
O2 Germany unlock=2, t-mobile Germany =1.

       5)      Make and model of samsung g s7 and s7 edge:

Samsung galaxy s7 models are bell sm-g930w8, china sm-g9300/9308, Europe sm-g930, cricket sm-g930az, at&t sm-g930a, t-mobile sm-g930t, us cellular sm-g930r4, Verizon sm-g930v.

Samsung galaxy s7 edge models are bell sm-g935w8, sm-g935f  Europe , china sm-9350, at&t sm-g935a, t-mobile sm-g935t, us cellular sm-g935r4, Verizon sm-g935v.

      6)      Android os version installed on galaxy s7 edge: lollipop 5.0 - 5.1.1, marshmallow 6.0 -6.0.1. Latest galaxy s7 and s7 edge installed with marshmallow 6.0. This is additional information it may not require for unlocking mobile phone. Just in case some app ask for that.


Once sim network unlock pin generated from samsung galaxy s7 imei number. It normally generate 4 kinds of unlock code.

1)      Nck network carrier code / samsung s7 network unlock code: when you insert a new sim to your galaxy s7 and galaxy s7 edge it show that invalid sim card or network locked sim card inserted. And next it asks for samsung s7 sim network unlock pin or galaxy s7 sim network unlock code. Here enter nck code. Nck is the most widely used unlock code.


2)      Spck service provider unlock code: many time for your samsung galaxy s7 network unlock code is spck code. Many gsm ask for spck service provider unlock code for galaxy s7 unlocking.  fido, metropcs and Canada telus require both nck and spck code for sim unlocking samsung g s7.


3)      Nsck network subnet code key / network subset key: in Usa many sim company use at&t , t-mobile and us cellular gsm network. And those companies only have sub network. To unlock those sim with galaxy s7 you should use nsck code. In Canada bell, telus and roger are the main gsm / cdma network provider. And other company only have sub network. Similarly in UK Europe o2, Vodafone are main gsm network provider and other company have only sub network.

4)      Unfreeze or defreeze code: these codes is mainly used with samsung mobile only. Many of samsung galaxy android mobile has roaming lock. This makes your samsung galaxy smartphone phone freezed. Also when you enter wrong network unlock code many time it freeze your galaxy s7 mobile and to unlock samsung galaxy s7 smartphone you need both unfreeze code and nck code.
 
                                           Once you got galaxy s7 edge / galaxy s7 network unlock code insert new sim to samsung galaxy s7 or s7 edge. On galaxy s7 edge screen it show message that wrong invalid sim card, incorrect microchip simcard, network locked sim card inserted or phone restricted and ask to enter bell / t-mobile / at&t galaxy s7 edge network unlock code.





                                   Enter nck code for galaxy s7. And if you have entered correct sim network unlock pin than you got message that network unlock successful. But if you get message that network unlock unsuccessful. Then first check that your samsung galaxy s7 edge unlock code is 8 digit and you have entered correct unlock code. For at&t sim unlock, t-mobile sim unlock you need to enter nck code. But bell sim unlock, telus sim unlock you need to enter first nck code and then spck code.

                          And if your phone is freezed then you first enter defreeze code and then enter nck code. After that your samsung galaxy s7 smartphone fully unlocked and you get message that network unlock successful.

 Above three methods can successfully unlock samsung galaxy s7 and s7 edge.