how to unlock bsnl teracom LW 272 datacard

how to unlock bsnl teracom LW 272 datacard

Bsnl data card lw 272 from teracom comes locked and is impossible to use other network sims in it unless you unlock it. you have many advantages of unlocking, it allows you to use any network sim in it. so if you have some connectivity or coverage issue you can switch to other provider. same is the case when other providers start giving better tariffs. the unlocking is very simple and be done by anyone. it takes just few minutes. all you have to do is change the registry value of the teracom driver you installed on your pc. so if you use this lw 272 bsnl modem on different pc you will have to unlock it again. so the unlock is done on the pc, not on the modem. so there is no risk involved in unlocking the teracom lw 272 from bsnl.. this trick is 100 percent working. so lets unlock teracom lw272 modem that you got from bsnl. this step by step guide will tell you how to unlock bsnl teracom lw272 modem. I have personally tested it.

Step by step guide :-


1. Make sure you have installed all drivers in the pc.\


2. Go to start, click on run (on newer version of windows you can type command directly in the search box in the start menu)
3. Type regedit and press enter, it will take you to a menu like this

4. Double click hkey local machine in the left pane.

5. Double click software (which appears when you double click hkey local machine)

6. Select linktop3g

7. Once you select linktop3g in left pane you will have some data on right pane, change the engineering key to zero.

restart your pc. you are done

You have now successfully unlocked your bsnl 3g data card teracom lw272. now you can use any GSM Sim in it from any provider. for using other connections you need to change apn settings.

Second method : 

Copy paste the below listed lines on notepad and save as "UnlockBSNL.reg" and  then double click. Select yes if windows asks for permission to edit/modify registery entry.

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Linktop3G]

"Version"="V1"

@=""

"Engineer"=dword:00000000 

After running the registry file make profile as per your network provider and you have done it. Enjoy.