How to Fix the AirCircle from Disappearing
The reason why your AirCircle is disappearing is because you have insufficient available Random-access memory (RAM). Before recording with Mobizen, free up RAM through your settings!
How to Free up RAM on Your Device
1. Go into your Device Settings
2. Select Memory
3. Select "Memory used by apps"
4. Select the apps that you are currently not using
5. After clicking on the information button, force stop the app