[Help]How to switch hw keyboard language topic

Hi, i am on stock ics rooted and i need to change my hardware (slide) keyboard language from English to Greek
i navigate to system/usr/keychars/STMPE_keypad.kcm and replace the following lines with success

PHP Code:

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type ALPHA


key A {

    label:                              'A'

    number:                             '2'

    base:                               'a'

    shift, capslock:                    'A'

    alt:                                '!'

    shift+alt, capslock+alt:            '!'

}

to

type ALPHA


key A {

    label:                              '\u03b1'

    number:                             '2'

    base:                               '\u03b1"

    shift, capslock:                    '\u0391'

    alt:                                '!'

    shift+alt, capslock+alt:            '!'

}

..... 





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after that i am not able to write English again with hw keybard,there is any way that i can switch eng to greek without rebooting? thanks !