[http://thedroidguy.com/2016/03/samsung-galaxy-note-5-showing-unfortunately-system-ui-stopped-marshmallow-update-1056722|This] may have your answer Id start with step 3 its most relevent to your device. Hope this helps
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[http://thedroidguy.com/2016/03/samsung-galaxy-note-5-showing-unfortunately-system-ui-stopped-marshmallow-update-1056722|This] may have your answer I'd start with step 3 its most relevant to your device. Hope this helps
[http://thedroidguy.com/2016/03/samsung-galaxy-note-5-showing-unfortunately-system-ui-stopped-marshmallow-update-1056722|This] may have your answer Id start with step 3 its most relevent to your device. Hope this helps