If you need to wipe your phone for selling or just want a fresh start for your Android device, there are way to restore your phone to factory settings.

The Pixel Repair tool is an official tool that doesn't unlock Google Pixel phones. Instead, it updates them. But you can factory reset your phone, which lets you unlock your device without a passcode.

How to Reset a Lock Screen PIN or Password on an Amazon Fire Tablet If you've forgotten the password or PIN for your Fire tablet, can still gain access to your device by completing the following ...

Disclaimer: Android and tablets noob here. I gave my daughter a tablet as a Christmas gift. One of these days she decided to password lock it. A password which she promptly forgot :facepalm: "Hey ...

You can unlock your Android phone even if you've forgotten the passcode, but you'll usually need to factory reset the phone.