My old samsung SGH A777 is now asking for a PUK, but not accepting the one that I put when I bought the phone with ATT in the USA 9 years ago.

SOURCE: Samsung SGH D500 Mobile Phone PUK Number

hi
best thing is contact your network provider and ask them for a puk code which they will give you to unlock your fone .


riz.  

      

SOURCE: HOW CAN I UNLOCK GLOBE SIM CARD PUK CODE?

The puk code is sim card spesific it comes with the sim card when you get it or you can get it by calling your phone service provider of the sim card to get the puk code.

SOURCE: Unlock my own sim card,need puk code

its really simple.call your provider and ask for puk code.its normally free of charge.mostly its also available on providers website.go in help section and click on unlock my fone if its there.if not, call em and they will give you the code defo.

SOURCE: My samsung sgh-x506 says PUK disabled card blocked.

I would advise you do contact your wireless carrier you may have a bad problem on your hands.

SOURCE: My phone (A Samsung, model:

PERMANENT UNLOCK CODE SAMSUNG SGH A117, T429, T729

Insert ANY unaccepted SIM card in the phone and then turn the phone on, follow the steps in 1 to 4 below to enter all the codes. The phone will states "Wrong card" at the end of step 2 and "network lock deactivated" at the end of step 4 if you do everything right so pls take your time to enter the code or follow the instruction correctly at each step. When entering some of the zeros at steps 3 and 4 your phone may display the zero as hyphen or minus (-), dont worry, just count when entering the zero to ensure you enter just the right numbers of zeros. Now let's begin... 1/ Put any unaccepted SIM card in your SAMSUNG SGH Phone, turn the phone on, it will display "WRONG CARD"

2/ At the wrong card screen, type *7465625*638*00000000*00000000#

3/ Now remove the battery with the SIM card, Put the battery back and turn the phone on again without the SIM card, it will display "Insert SIM card" 4/ At the insert SIM card screen/end of step 3 above type #7465625*638*00000000#

At the end of step 4 phone will show "network lock deactivated" 5/ Now Reinsert your unaccepted card or any other unaccepted SIM card in the phone and enjoy your unlocked phone!