I just bought a "new" N9 again, and took a whole night plugging and unplugging to get it responding to flasher (so I can charge it, and flash it with the latest firmware). Then I proceeded to boot it with `flasher -R` because the hardware buttons are not quite usable.

Now the phone is stuck at the boot screen with Nokia logo showing. it is not responding to flasher, plugging it to the charger will light up the indicator LED for a while before turning off (while the logo remains).

I tried to shut it down by long pressing the power button but it doesn't seem to work. What should I do now?