I sent my 3 year old Mighty back a month ago because I complained about battery life and they requested 70 euro to replace batteries and housing which I paid and was sent a brand new sealed 2018 model with 20% extra battery.
"ghostvapesofficial
We are very pleased to confirm that the new Ghost App, complete with the latest version of Firmware, is now finally available for Android users on the Google Play Store and can be found by searching for "Ghost Vapes"
The App will enable you to upgrade your MV1 to the latest...