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】 Fixed Docomo SIM often disconnected mobile network issue Fixed occasional touch failure Fixed that navigation bar will not shrink to bottom automatically when playing PUBG MOBILE game Fixed call volume being lower than normal for Facebook and Whatsapp calling. Fixed File Manager crashing when opening a picture in the hidden folder Fixed that user can't share Airtrigger or key mapping settings in "Star Commander"