During the upgrade will pop up a choice box, letting you choose the firmware version, V1.1, V2.1 and V2.2.

After installing the eVic Supreme firmware upgrade will pop up a message to remind you to disconnect the USB cable and screw out the battery to restart system.
V2.2 is the newest firmware version, which has a new User Interface.
Compare V2.2 with V2.1, upgrade is made in:
Press the button 3 times, the words in area A will constantly flash to show you that you are at area A. Turn the regulation ring right to select the area you want to customize. The corresponding words will flash to inform you what area you are at.
When you are at area A, turn the regulation ring left to select the output mode you want, i.e. VV, VW, RVV, RVW. At area B,
turn left to select the vapor information you want to display.
The area C will display the seconds when you vape, and also show the alarm info, like "Over 10s Protection", "No Atomizer". The area D permanently displays the battery level.
Tips:

1. Once finish the upgrade, when you power on the device, the main interface may show the blurred screen. If it occurs, take the battery out and reassemble it, the problem will be away when you power on the device again.

2. During the upgrade, the following behavior is forbidden:
a. Operate the button and regulation ring.
b. Disconnect the USB cable.

3. If some emergencies break off the upgrade or make the upgrade a failure. You can try to enter the safe mode to upgrade. Please do as follows to enter safe mode:
a. Separate the control head from battery tube, keep pressing the button and then connect it (the control head) to your computer.
b. Usually myVapors™ can recognize the device and at this time, you are able to upgrade device firmware to the V1.1/V2.1.