no no I did flashed via sysupgrade successfully and booted, then I just ran opkg update and opkg upgrade, then after running it and rebooting my device, i noticed it went dark, no leds no nothing but the pc can detect ethernet connection. 
no no I did flashed via sysupgrade successfully and booted, then I just ran opkg update and opkg upgrade, then after running it and rebooting my device, i noticed it went dark, no leds no nothing but the pc can detect ethernet connection.