Ur defalt phones codes is 12345 or 00000 u can use it
Default 4 Digit user code: 1234 or 0000
Default 6 Digit Security code: 123456 or 000000
Call your phone carrier’s support line – If you have had service with your phone carrier for at least 3 months and are paying your bill, more in likely your phone carrier will have no problem providing you with an unlock code. I have heard of people having success with both T-Mobile and AT&T.
2. Download a Samsung unlock code generator – Although there is not much software for unlocking Samsung phones out there, I did find this Samsung unlock code calculator online that may work.
3. Buy an unlock code – If the other ways of getting an unlock code for your Samsung A177 did not work, you may have to resort to paying for an unlock code online. Try searching Google and comparing prices, as they vary greatly.
Regardless of the method you use above, you will need your Samsung A177′s IMEI number. You can by typing: *#06# and hitting enter. The 15 digit that is output is your Samsung A177′s IMEI number. This is a number that identifies your phone and will help generate your unlock code. Once you have your unlock code your ready to begin. These steps originally came from my post on How To Unlock A Samsung Moible Phone, and should work with many other Samsung models as well. Here they are:
or:
You can get the unlock code for Your samsung phone from the site http://www.onlinegsmunlock.com/
Thanks
SOURCE: I need to unlock my samsung sgh a177 for free the
I want to unlock my samsung sgh-a177 my imei# is354330329156101
SOURCE: need unlock code for ATT samsung a177
You can get the unlock code for Your samsung phone from the site http://www.onlinegsmunlock.com/
SOURCE: i have a Samsung SGH-A177 mobile wich is locked
As you said if it is a CDMA (means it can use only AT & T) then you needs to flash it..No matter whether its new or not..
You can unlock it by flashing your mobile if your mobile is a CDMA mobile...
The procedure for flashing your mobile is in the link below
http://hubpages.com/hub/How-to-Flash-your-cell-phone
It has an video explanation.
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