samsung android lollipop unlock codes

 Samsung android unlocking and carrier sim network unlocking method.

        Any Samsung smartphone network locked then unlock code must stored insider operating system like Oreo, pie 9.0, nougat or lollipop.  Here is the list of folder which can have imei unlock code 1) carrier folder 2) dev/block and boot partition.      

Process of Samsung android carrier sim imei unlock code finding:

Following things are require for the process.
       1) You need to root Samsung phone with computer. For that you require rooting software as per your Samsung cellphone model and android version ie kitkat 4.4, marsh mellow etc.  Enable USB debugging on phone. Go to setting – applications – development – select USB debugging.
      2) To check android version go to app > setting more > about device.
      3) Download USB device as per Samsung phone. And connect phone with laptop.
      4) You need to install android emulator on Samsung phone as it requires to communicate with Samsung android os.
 5) Install hexa editor software on your computer so it can decode your mobile’s network unlock code which is saved insider your android version.

How to find network unlock codes which is secured inside your android phone.

       Ø   Start android emulator on your Samsung phone.
       Ø   Type the following command.    
               cd/dev/block     t
       Ø   This will bring you the folder where device hide blocking- locking codes. 
       Ø    Type su  (su stand for super user) tap yes.
       Ø  Now  type

Command -- dd if dev/block dd if=/dev/block/bml3 of=/sdcard/bml3.bak       or
Command --   cat /dev/block/bml3 > /sdcard/bml3.img
You can also use bml5 instead of bml3 depending upon mobile model.

             Ø This will copy the bml3.bak or bml5 file which has carrier sim unlock code in hexa decimal.
            Ø  Now use and hexadecimal editor software which are available online. And open bml3.bak or bml5 file with hexadecimal editor software. Your phone unlock code stored insider bml3.bak or bml5 file in hexa decimal number.
            Ø  Search the following string FFFFFFFFFF0100000000 
           Ø  or.  ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff 30 30 30 30 30 30 30 30.
String is different for different Samsung mobile.
Press f3 until you find sim unlock code.
Unlock code is visible at right panel of your hexa editor software.

Below image is just a example it is not actual.
lollipop kitkat unlock

Ø  This is your phone unlock code. Here is the instruction for entering
Samsung sim unlock code . This will give detail information of how to network unlock your Samsung phone.

 How to check Samsung phone is fully unlocked.

For newer Samsung phone like Samsung galaxy 3 galaxy 4 mini and Samsung note 3 etc. Insert the new sim, if cellphone does not ask any code that means phone is fully unlocked.

For older Samsung phone like Samsung galaxy s.
Enter the service menu code*#7465625#.
This will bring you following menu
1)[] network lock   this is for network unlock code.
2) subnet lock            sub provider unlock code.
3) [] sp lock                  sim unlock code.
If above all the options are off then your cellphone is fully unlocked.

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