Samsung Galaxy S10 Lite (SM-G770F) is receiving the April 2021 security patch after a recent firmware update. However, the release is limited to Spain and some other European countries. The security patch with firmware version G770FXXS4EUC1.
This firmware arrives within the month of the Android 11-based One UI 3.1 update. The previous update came with the March 2021 security patch.
To check for the update, you could head to Settings, then to Software Update, and then tap on Download and install.
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