Samsung J400A

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Samsung J400A Unlocking Instructions

Warning : Do not enter any wrong unlock codes on your Samsung J400A mobile phones. If you enter over a certain amount of wrong unlock codes on your Samsung J400A mobile phone, your phone may get hard locked and sometimes become unusable.

Method 1:

1 - Switch ON your Samsung J400A with a NOT ACCEPTED SIM Card.
2 - Samsung J400A will ask for "Password".
3 - Enter the Unlock Code.

OR (if the Samsung J400A shows "Insert Correct SIM Card")

Method 2:

1 - Switch ON your Samsung J400A with a NOT ACCEPTED SIM Card.
2 - Don't bother about what's being displayed on your Samsung J400A.
3 - Compose : #0111*CODE#.

NOT ACCEPTED: We mean, to use a sim card from a network other than the network your Samsung J400A is locked to.
CODE: Its the unique Unlock Code for your Samsung J400A.

If method 2 does not work, you can try method 2 again but this time without any SIM card on your Samsung J400A.

Each Samsung J400A mobile phone has an unique unlock code. You can buy the unique unlock code for your Samsung J400A mobile phone using the form above.

Supported Services

You can use the following The Unlock Arena unlocking services to get the unlock code for your Samsung J400A mobile phone :

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