i wrongly upgrade the firmware , im using global firmware to upgrade it and its fail and i do with wirelessly , i suppose using my country firmware to upgrade thats.

and now , i encounter this problems which is my router cant start properly , its always to on and can not on properly ( i mean until the router can access so its can say you have a laptop with windows operation , it will stuct until windows logo and its restart again and again , you cant enter any configuration with router) and i try to press the reset button and its not worked also . im trying press reset button for 30s and unplug the power for 5s and plug it again , and its still doesnt working