Led flashes red 4 times during vaping
Screw on the atomizer then press fire button, then Led flashes...
Button insensitive
Press the button but device responds slowly.
Key/button damage
Button fall...
Not charging
The charging indicator light is not on when charging
Check USB cable and adapter whether...
LED can not light up
Led can not light up when press 5 times fire button in 2 seconds
Make sure...