My OLED screen is blank and won’t turn on

Try the following:

Check if the device has been put into stealth mode. Certain devices have an option within the menu to allow you to vape in ‘stealth mode’ without the screen lighting up. If your device has this option, check the instruction manual for details of how to remove your device from stealth mode.
Check to see if there is a firmware update available for your device.
 

If none of that worked:

Your screen may be broken. If the device is still within warranty (and you bought it from us), you can get in touch to discuss a replacement.