You can recover the bluetooth password for
SMOK X Cube II when you forget it, very easy, don't worry, follow these tips, you can get it again!
1.Aceess to the APP and scan the vaporizer, see picture below:
2.Long pressing the Vaporizer Entry until the serial number popped out, tap the "copy" icon to copy the S/N to the clipboard; See below picture.(Slide S/N to right for IOS system)
3.Email the S/N to customer_support@smoktech.com, Password will be sent back to you after verification.
Data sources:
http://blog.xcube2.org/2015/11/how-to-recover-bluetooth-password.html, it is
SMOK official authorized X Cube 2 distributor online store's blog. you can get more informations from there