Airtel launched few days before imei 3543 started modem that model is 1731 , here i am showing how to unlock that 173Bu-1. its very easy like our old unlock methord , the main thing is here i am using speacialy programmed firmware for this modem, the firmware is perfectly cracked for this modem, and its purely genuine ,already tryed on many modem, all are working perfect , no problem..
so let me start..
( here is the trick , This firmware speacialy made for this modem )
update with firmware , if asking password while update enter the flash code, flash code and unlock code you can generate with code gen,
after firmware update default dashboard software will open automatically , just close that , after few seconds open sibipaul unlocker tool.
there you can see your imei number , and a box to enter your unlock code, just enter your unlock code into the box, and click ok , same time you can see a prompt like unlock successfull,
now you unlocked your modem successfully..
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