Check out the list of commonly asked questions on a variety of QumiCast related topics.

QumiCast is a software app that acts as a streaming bridge between the Qumi and a mobile device (Smartphone, Tablet, Computer) to wirelessly project videos, photos and presentations on to the big screen.  

  •  QumiCast is compatible with a wide range of mobile devices and computers running today’s leading operating systems: iOS, Android, Mac, and Window devices.
Currently only the Qumi Q6.

For mobile devices (Smartphone, Tablet), check for updates using the iOS or Android App store.

For computers (PC, Mac), check for updates on the Support section at: https://www.vivitekcorp.com/qumicast.

QumiCast supports such cloud based services as Google Drive and DropBox.

The document viewer can support MS Office, PDF and Text files.

Currently only English.

Yes. Up to four devices can simultaneous display separate content* onto one large side-by-side projection. 

Yes.  QumiCast can wirelessly stream video, movies, images and documents from a smartphone, tablet or computer’s internal memory via Qumi for projection onto the big screen.

No.  Currently only the QumiCast app will work.

Yes. Simple use the QumiCast App’s Document function to stream a PPT presentation.

The QumiCast App can easily be downloaded from the iOS or Android App store, while the computer versions can be directly downloaded from our website or from the download link listed below.

  • For iOS, visit the ITunes Store (on computer) or App Store (on mobile device) and search for QumiCast.

  • For Android, visit the Google Play Store and search for QumiCast.

  • For Mac, visit https://www.vivitekcorp.com/qumicast/mac

  • For Windows, visit https://www.vivitekcorp.com/qumicast/windows

The maxium resolution is 1080p with 30 fps (frames per second).

The QumiCast App only supports iOS 8 and above.

iOS does not allow the QumiCast app to access and play the multimedia files or contents of other apps. This is a universal rule for iOS devices. The multimedia files will need to be transferred via iTunes to the desired iOS devices for streaming. 

The iOS device’s camera supports recording in different orientations and display correctly based on rotating the display. We are working on it and will release a firmware update solution in a future update.

Yes, QumiCast supports SRT, SMI, SSA, CDG subtitles. The app detects subtitle files in the same directory and pop-out selection window. If no subtitle file exists, the app streams the video file directly.

Yes, QumiCast app can work in the background.

No.  Currently only the QumiCast app will work. 

There can be two types of codes used for subtitle coding. There are inner codes and UTF (Unicode). For inner code subtitles, please switch the language setting of the projector to the subtitle language. Unicode subtitles work for all language settings. 

This is due to the YouTube app streaming rules.  Please use the QumiCast Web feature to access the YouTube website to stream YouTube videos.

QumiCast can’t support direct streaming of videos purchased from iTunes. iTune videos are content protected (FairPlay).

Please refer to the QumiCast Mirroring demo videos for additional instructions. You can also tap “QumiCastAir” icon for additional guidance. Note: Note all Apple iOS devices support device mirroring.

This is due to DRM content protection design, so QumiCast cannot stream Netflix/Google/iTune/BBC videos directly.

This is a limitation of iOS device mirroring. First adjust the volume, and then relaunch iOS device mirroring.

Earlier iPhones don’t support iOS device mirroring. iOS device mirroring is support from iPhone 4s and above.

An iPad and iPhone support different aspect ratios then the Qumi. When forcing a full screen projection, the display could be distorted and unacceptable for viewing.  The QumiCast app will fit the mirror to one the original device size and keep the aspect ratio of iPad/iPhone.

In the QumiCast App Setup menu, switch the setting to 3G/4G mode.  After clicking the "3G/4G" mode, following the guidance for setup.

The password seems to change to “********” (eight stars), so will require a new SSID password (“*********” (eight stars)) setup and configuration to access Qumi again.

QumiCast App supports Android 4.0 and above.  Insufficient disk space could make the QumiCast app fail to install.  If this should happen, check the available disk space of the Android OS device.

No.  Currently only the QumiCast app will work.

Yes, QumiCast supports SRT, SMI, SSA, CDG subtitles. The app detects subtitle files in the same directory and pop-out selection window. If no subtitle file exists, the app streams the video file directly. 

This issue is mostly associated with a crowded 2.4G channel network.  Additionally, it is suggested that Qumi be placed closer to the Wifi router to improve the Wifi signal and performance.

There can be two types of codes used for subtitle coding. There are inner codes and UTF (Unicode). For inner code subtitles, please switch the language setting of the projector to the subtitle language. Unicode subtitles work for all language settings.

The Android Browser is the embedded default browser for devices running the Android OS. Adopting the embedded Android Browser ensures that the QumiCast app is more stable and reliable for video click-&-play.

From Android 4.0, Adobe Flash is not supported. 

This is due to DRM content protection design, so QumiCast cannot stream Netflix/Google/iTune/BBC videos directly.

QumiCast supports a majority of the marking leading video websites (YouTube, Vimeo, YouKu and more) but not every website.  We are still working on supporting additional websites, so feel free to submit suggested sites to our customer support (marketing@vivitekww.com) and we will try to put them into our development lists.

The issue is mostly associated with a crowded 2.4G channel network.  Additionally, it is suggested that Qumi be placed closer to the Wifi router to improve the Wifi signal and performance.

No. Not all smartphone and tablet brands support desktop mirroring. Please check the brands websites or user manual for the smartphone or tablet’s specification and product details

The issue is mostly associated with a crowded 2.4G channel network.  Additionally, it is suggested that Qumi be placed closer to the Wifi router to improve the Wifi signal and performance.

A 0.1-0.3 second lag is normal because of the wireless transmission and desktop compression. Please note that performance also varies according to different smartphone and tablet brands.  Additionally, it is suggested that Qumi be placed closer to the Wifi router to improve the Wifi signal and performance.  Plus don’t’ have too many devices connected to router when mirroring.

The display quality of mirroring is decided by the smartphone or tablet’s native resolution.  The QumiCastMirror resolutions vary from smartphone and tablet brands.

The password seems to change to “********” (eight stars), so will require a new SSID password (“*********” (eight stars)) setup and configuration to access Qumi again.

In the QumiCast App Setup menu, switch the setting to 3G/4G mode.  After clicking the "3G/4G" mode, following the guidance for setup.

The issue is mostly associated with a crowded 2.4G channel network.  Additionally, it is suggested that Qumi be placed closer to the Wifi router to improve the Wifi signal and performance.

HQ means high quality and is for document presentations, which requires a clear resolution and low frame rate. LQ means low quality and is for video playback, which requires a high frame rate. Compatible is for some applications, which requires a hardware acceleration. If the icons for this feature disappear, simple turn on the Compatible mode to make it re-appear again. Note: The side effect of compatible mode is that the frame rate could be lower. 

The default Wifi connection method for some Windows 8 (and above) models is WPS Pin. Manually change the WPA/WPA2 PSK settings to connect. 

The Windows 7 starter version is a basic edition and lacks a VGA driver.  The QumiCast app requires a VGA driver component for normal operations.

Yes, QumiCast supports SRT, SMI, SSA, CDG subtitles. App detects subtitle files in the same directory and pop-out selection window. If no subtitle file exists, the app streams the video file directly.  

There can be two types of codes used for subtitle coding. There are inner codes and UTF (Unicode). For inner code subtitles, please switch the language setting of the projector to the subtitle language. Unicode subtitles work for all language settings. 

Only Windows 8.1 and above devices supports device mirroring (Miracast).  Additionally, not every device supports this function.  Check the brand's device user manual or website for specification details.

The password seems to change to “********” (eight stars), so will require a new SSID       password (“*********” (eight stars)) setup and configuration to access Qumi again.

The QumiCast App only supports Mac OS 10.9 and above.

Yes, QumiCast supports SRT, SMI, SSA, and CDG subtitles. The app detects subtitle files in the same directory and pop-out selection window. If no subtitle file exists, the app streams the video file directly. 

There can be two types of codes used for subtitle coding. There are inner codes and UTF (Unicode). For inner code subtitles, please switch the language setting of the projector to the subtitle language. Unicode subtitles work for all language settings.

There can be two types of codes used for subtitle coding. There are inner codes and UTF (Unicode). For inner code subtitles, please switch the language setting of the projector to the subtitle language. Unicode subtitles work for all language settings.

For the best casting performance, QumiCast sets the extension resolution to 1280 x 800.

In Maverick 10.9, Apple modified the OS to include additional energy saving features and these changes block QumiCast from displaying the top areas of the screen.

Models prior to 2011 don’t support this feature.  Please check the Apple website or product user manual for additional information. 

The password seems to change to “********” (eight stars), so will require a new SSID password (“*********” (eight stars)) setup and configuration to access Qumi again.

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