Before locking the keypad first remember if the keypad lock is assigned with a security code.
Default value of the security code is normally 0000.
1. To lock the keypad first press the option key, then select the LOCK KEYPAD.
2. To unlock the keypad press the option key then press the "C" button.
You can check more lock/unlock optoons in the users manual, downloadable from this link. Read page 63 and on.
http://dl-www.sonyericsson.com/cws/download/1/150/669/1192984731/J230i__UG_R1a_EN.pdf
i want my key pad lock code
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