phone reboot after zooming video

hi, i just got my new galaxy note edge and wanted to test the video zooming in mx player. i zoomed to 200% plus, an then wanted to return to 100%. i got too far till 70%. when i wanted to go back the video freezes at 99% of zooming and the phone just got rebooted. every time the same thing. tested on several videos and may phone always reboots.

mx player ver. 1.7.40
android 5.1.1
phone SM-N915fy model galaxy note 4 edge

any suggestions?

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