[Q] urgent .....i need help

hello..i have a samsung galaxy and i woyuld like to know if somebody else besides me has been using it ( and i mean my wife) ..i turned it off 3 days ago and came back today and i want to check if the tablet has beeen used these 3 days that i was away...is ther a way to access the log files to see if she turned it on...ty so much in advance

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