(The initial password of 3x8/2x88/998/8088/l2000/7689/t189/c289 is 1234; the mobile phone password is 000000; unlocking method: if there is no test card, enter 1234 first, if the password has been changed, press the menu key to display "Modify unlock password", press the ok key, then enter 000000, the four-digit mobile phone password will flash. If the security code has been changed, it can only be solved with the test card or software tool.)