Komentar resmi
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As requested in those responses we need the log files and to know a bit more about your setup in order to be able to help.
Updating to iOS 12 seems to be fixing a lot of crashing issues related to using devices with older batteries.
If the camera cannot keep up with the speed at which you are writing images it can cause what you are seeing. You likely need to turn down the SD card write speed in the Settings.
