This is what you should do If You Think Your Facebook App is draining Your Battery
1. Click on the Main menu icon at the top right corner of your Facebook page and
2. Select Settings
3. Click Security and Login
4. Click Edit next to Change Password – Change your Password
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If you don’t know your current password, you can reset it:
1. Visit the Find Your Account Page here: https://web.facebook.com/login/identify on your browser.
2. Type the email, phone number, full name or username associated with your account, then hit on
This is How You Can Hide Your Facebook Friends List
3. Follow the on-screen instructions to reset your Facebook password.
You’re done!