To reset an Android tab, start by ensuring your device is fully charged or connected to a power source. Then, navigate to the 'Settings' menu on your Android tab. Scroll down and tap on 'System', followed by 'Reset'. You'll see an option that says 'Erase all data (factory reset)'. Tap on it. A warning will pop up, reminding you that this action will erase all data, including files and downloaded apps. If you're sure you want to proceed, tap on 'Reset tablet' or 'Erase everything'. The device will then reboot and begin the factory reset process. Once it's done, you'll be greeted with the setup screen, just like when you first bought your tab.