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What Android version are Galaxy S20, S20+, S20 Ultra, and Z Flip, and how do I update them?

The latest Android OS is Android 10. It comes installed on Galaxy S20, S20+, S20 Ultra, and Z Flip, and is compatible with One UI 2 on your Samsung device. To update the OS on your smartphone, you will need to have a minimum battery charge of 20%. You may be prompted to update when it's available, otherwise system updates can be done over a Wi-Fi connection or with the Software Upgrade Assistant. To manually check for updates, navigate to Settings > System updates, and tap "Check for system updates". If your system is up-to-date, you don't need to do anything further. Otherwise tap Download and then tap Install Now to update your phone.

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