We are currently in the process of checking the operation of the new iOS version "iOS 15“ , ”iPad OS 15" and the new Windows version "Windows 11", which are scheduled to be released in the near future. If you update your OS, there is a possibility that the app will not work properly.
Please refrain from updating your Apple devices to "iOS 15, iPad OS 15" and your PC to "Windows 11" until the operation check is completed.
We will inform you our future response to this issue after we have confirmed the operation with officially released "iOS 15“, “iPad OS 15" and "Windows 11".
If you are unable to use the APP “Lumitester“ due to this issue, we may not be able to provide support. Thank you for your understanding.
We apologize for any inconvenience this may cause and thank you for your understanding and cooperation.