Most Tech is easy enough to set up and start using. The secret Big Tech companies don’t want you to know? Some settings are great for them but not for you. Tap or click for privacy defaults you need to change.

It’s never too late to go back and change your settings or do some cleanup to get more years out of even an older gadget. Tap or click for the smartphone cleanup you need to do if yours is more than three months old.

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