Bsnl teracom LW 272 datacard unlock

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,
Here setp by step guide:-

• make sure you have installed all drivers in the pc
• go to start
• click on run (on newer version of windows you can type command directly in the search box in the start menu)
• type regedit and press enter
• it will take you to a menu like this

• now double click hkey local machine in the left pane
• now double click software (which appears when you double click hkey local machine)
• now select linktop3g
• 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. to know apn settings of all providers please visit here.
APN SETTINGS HERE BELOW:

Here are the apn setting for BSNL 3G Airtel Reliance Docomo Idea Aircel MTNL 3G mobile broadband 3g providers. if you have an unlocked modem you can change the settings in your mobile partner dashboard of your huawei modem
BSNL 3G
APN: bsnlnet
Access Number: *99#

Airtel
APN: airtelgprs.com
Access Number: *99#

Reliance
APN: rcomnet
Access Number: *99#

Docomo
APN: TATA.DOCOMO.INTERNET
Access Number: *99#
Idea
APN: internet
Access Number: *99#

Aircel
APN: aircelgprs
Access Number: *99***1#

MTNL 3G
Postpaid APN: mtnl3g
Prepaid APN: pps3g
  TESTED 100% WORKING !