1. How to upgrade the firmware of the device?

Firmware upgrade is not currently supported. 

2. What should I do if the device displays "No atomizer," "Atomizer short," or "check atomizer"?

For pod: A. Please check whether there is e-liquid leakage. If there is, wipe the pod's bottom and the conductor on the device's top with a dry tissue. B. Please check the electrode pin of the device is in place. If it’s not, resorting to tool to pull it back. C. Please replace the coil or the pod to try again. D. If the solutions mentioned above still don’t work, please ask for after-sale service from the vape shop where you bought it. For tank: A. Please detach the atomizer from the device and check whether there is e-liquid leakage. If there is, wipe the electrode and the conductor inside and outside the atomizer with tissue. B. Please check whether the coil is tightly connected with the atomizer’s base. If it isn’t, screw up the base of the atomizer to make it firmly connect with the coil. C. If the solutions mentioned above still don’t work, please ask for after-sale service from the vape shop where you bought it.

3. What should I do if the device displays "low battery"?

Please replace the battery or charge the device soon.

4. What are the precautions for using the device?

A. Please charge the device with a certified power adapter. B. Please keep away from babies and pregnant women when vaping. C. Please don't use an electronic cigarette in ultra-high and-low temperatures. D. Please avoid dropping the product from the high.