From now on, we need you offer Serial Number of Eleaf and Joyetech products together with the pictures/ videos to show the problem when it comes to after sales service.
It is a must according to the newest warranty policy of Eleaf and Joyetech. So please preserve the Serial Number of your products for the possible warranty case. Reminder has been added to all Eleaf and Joyetech products with warranty.
Thank you very much for the supports! :)