How to dismantle the flash part?

How can I dismantle the flash part ? I need to reconnect the flat wires that were torn from the flash... I tried to lift the front panel, but I can't see what holds it in place to remove it without braking anything... Thanks !

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I tried for hours, but in fact it is quite easy : under the flash there are to square holes on each side ; you have to use a pen or a pointy thing to insert into these holes, and push a little plastic thing to the side... The flash dismantles itself. ATTENTION : it seems dangerous, there is a battery inside with a sticker that says "DANGER HIGH VOLTAGE DO NOT TOUCH" @_@

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