Since the server pushes update notice to different serial numbers by batches, it may take some days for you to receive the FOTA notice. Thanks for your patience. You may tap “System updates” in [Settings] >[System] to check if there is new firmware available. Or, you can also try to manually update firmware by referring to the following link. How to update firmware on my phone?
【Release Note】 Improved the prevent accidental touch when using TwinView Dock. Improved the operation of Quick Settings panel in horizontal mode. Improved the occasional touch failure issue when using navigation gesture. Fixed the abnormal display issue of ringtone setting page when using classic theme. Improved the audio quality of the speaker. Fixed the issue where the refresh rate setting cannot be changed after running games with different refresh rates. Fixed the issue where LINE’s Twin App displayed pictures and themes abnormally. Updated Android security patch