just change your password.
So I've given my phone away to a family member and without having access to the phone, how do I log out of my Gmail? Because they are on my YouTube account and all their children's kid videos are going to my recommendations list and subscibed channels and recently watched. I don't want answers like, just tell them to log out, or just reset the phone. No, i want to log out of my gmail and youtube without having access to the phone. I'ts android LG K4

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