Custom Field by Post Category

        //...other codes...

    <?php
        //variabel for defined custom field
        $custom_field_fitur = nl2br(get_post_meta($post->ID,"Fitur",true));
        $custom_field_organiser = get_post_meta($post->ID,"Organiser",true);
      ?>
                  </div> //end div...
<?php
//create variabel to defined category name...
$cats = wp_get_post_categories('Handphone');

//if category Handphone
if ($cats) : ?>
                        <div class="fiture">
                            <h3>Fitur</h3>
                            <?php
                    echo $custom_field_fitur;
                ?>
                        </div>
                        <div class="organiser">
                            <h3>Organizer</h3>
                            <?php
                    echo $custom_field_organiser;
                ?>
                        </div>

//else..
<?php else : ?>

<div class="fiture">
                            <h3>Spesifikasi</h3>
                            <?php
                    echo $custom_field_organiser;
                            ?>
                        </div>

<?php endif; ?>