There are few different unlock passwords for T749.
If you getting "Phone Lock" password prompt you need to reset Phone Lock. This can be done by flashing your phone with any firmware. You will need MultiLoader software and firmware files. You will need USB cable.
If you are getting "Network Lock" or "Phone Freeze" you need to unfreeze and unlock code. This can be done by via USB cable but there is no free solution to make it. You can get software and instructions to read unlock/unfreeeze code at related links
i have activated sim lock n then forget it
how to change password in sgh c450
just enter 111111 and then press ok
securety
s5200
how Can I find my phone password because i forgot it.my mobile it's samsung champ
s3310
maa chuda
passward not working mobile traker
Forgot Password for mobile and the gmail account what to do
i forgot my username (email) and password in my phone galaxy mini?
you can if you have your email and forgot password and see your password
You forgot your password of s3500?
To reset the phone lock on the Samsung Galaxy s2 go to the settings section and select password options. then select password reset and enter your current password followed the password you would like to change it to.
What if you forgot your password on nfl rush.com
No idea! Buy a new SIM Card might work.
You forgot your password for your sgh-a867?