If you want to keep using the iPad after signing out, you can log in with a different Apple ID.

If you plan on selling your iPad or giving it away, you’ll want to reset it first. This will erase all apps and data on your iPad and restore it to its factory settings. Additionally, you can remove your iPad from Find my iPad to keep it from being tracked.

This includes paid apps, books, movies, and other content.

You may be required to enter your passcode, Touch ID, or Face ID to unlock your iPad.

You may need to wait up to 90 days before you can re-associate this devices with your Apple ID account again. [1] X Research source

You can stop syncing your messages, calendars, contacts, notes, reminders, as well as any apps you have installed. You may be asked if you want to remove the app from your iPhone or iPad. Tap Keep on my iPad to keep the app, or Delete from my iPad to delete the app. If you want to disable Messages, you will be given the option to disable and download your messages. Tap this option to continue. If you want to stop syncing to iCloud Drive, tap the toggle switch next to “iCloud Drive. " If you want to stop sharing photos and videos, tap Photos at the top of the iCloud menu. Then tap the toggle switch next to iCloud Photos. If you want to stop sharing your passwords, tap Keychain near the top of the iCloud menu. Then tap the toggle switch next to “iCloud Keychain. "

If your iPhone has multiple SIM cards, select the SIM you want to modify now.