How long does the Shure MV88+ last on an iPhone?!

🔋 How long does the @Shure MV88+ last connected to an iPhone XS?!
This week's S-TEC will answer that question.
Watch till the end to find out the answer...
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S-TEC stands for Schmitt Technical Education Clinics. This is a way for us to bring more information about the Manufacturers and Products that we represent to you!
Shure MV88+ Video Kit Review

[@lyngparishcouncilmeetings4558]

Hi. In my own tests I have managed to get a three hour video recording while supporting my iPhone on external battery and putting the iPhone into airplane mode, but the video is useless because it does not 'save' after recording. So while it will record a video IRO 3 hours, it's basically a waste of time, I can only save videos of around 45 minutes or shorter. I have asked Shure to confirm maximum recording time but after over two months of waiting they have still not come back to me with a meaningful answer.
Can you tell me please have you tried recording a long video with this kit?
I am using an iPhone X, in airplane mode and do not disturb mode, using the MOTIV video app.
FYI the error is:
"Save Error. Video recording cannot be saved because of error: The operation couldn't be completed. (PHPhotosErrorDomain error -1.)"
Recording a video without the Motiv App works just fine.