You can also find your Android security update and Build number.

It’s a good idea to back up your Android before updating it, just in case you have to restore a previous version of your Android’s operating system later. Be sure to charge your device.

If no update is available, you’ll see a message that says: This device is up to date.

If no update is available, you’ll see a message that says: This device is up to date.

If no update is available, you’ll see a message that says: This device is up to date.

Delete unused apps by uninstalling in the Google Play Store. Clear your App Cache by going to Settings → Storage & USB → Cached data.

Delete unused apps by uninstalling in the Google Play Store. Clear your App Cache by going to Settings → Storage & USB → Cached data.

Follow the steps from Updating an Android to retry.

Keep your phone battery healthy by using it sparingly as it’s charging.