[Mxzyptlk]

I neee help guys with my 2nd hand ninebot s2.
I have tried to downgrade it to get a better speed upto 30-35kmph.
But sadly after flashing it, thought i believe i finished it and requesting for a reboot.
What i did is i, switch off bluetooth using downG.
After that, i counldn't be able to make it work. 》I am only getting a 10speed
》 couldn't even pair using xiaom flasher
》 unable to press the power button nor accept pairing.

I have disconnect it from battery, yet still the same.

Please help.
Thankyou, god bless!!!