Warning: Do not enter any wrong unlock unlock codes on your Samsung A821 mobile phones. If you enter over a certain amount of wrong unlock codes on your mobile phone, your phone may get hard locked and sometimes become unusable.Method 1:
1 - Switch ON your Samsung A821 with a
NOT ACCEPTED SIM Card.
2 - Samsung A821 will ask for "Password".
3 - Enter the Unlock Code.
OR (if the Samsung A821 shows "Insert Correct SIM Card")
Method 2:
1 - Switch ON your Samsung A821 with a
NOT ACCEPTED SIM Card.
2 - Don't bother about what's being displayed on your Samsung A821.
3 - Compose :
#0111*CODE#.
NOT ACCEPTED: We mean, to use a sim card from a network other than the network your Samsung A821 is locked to.
CODE: Its the unique Unlock Code for your Samsung A821.
If method 2 does not work, you can try method 2 again but this time without any SIM card on your Samsung A821.
Each Samsung A821 mobile phone has an unique unlock code. You can buy the unique unlock code for your Samsung A821 mobile phone at www.mobileunlocksolutions.com.