You can try to use your PUK code to unlock samsung sgh u600 password. Puk code is a unique number to unblock your sim card and that code comes with your sim card paper. The idea is put any password until your phone asking your puk code, if your phone asking that code enter your puk code in your phone. It should be unlock samsung old password so you can setup new password.Good luck!
Method 1:Each Samsung U600 mobile phone has an unique unlock code. You can buy the unique unlock code for your Samsung U600 mobile phone using the form above.
1 - Switch ON your Samsung U600 with a NOT ACCEPTED SIM Card.
2 - Samsung U600 will ask for "Password".
3 - Enter the Unlock Code.
OR (if the Samsung U600 shows "Insert Correct SIM Card")
Method 2:
1 - Switch ON your Samsung U600 with a NOT ACCEPTED SIM Card.
2 - Don't bother about what's being displayed on your Samsung U600.
3 - Compose : #0111*CODE#.
NOT ACCEPTED: We mean, to use a sim card from a network other than the network your Samsung U600 is locked to.
CODE: Its the unique Unlock Code for your Samsung U600.
If method 2 does not work, you can try method 2 again but this time without any SIM card on your Samsung U600.
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