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】 Updated to December 2020 Android security patch Enabled VoLTE on Maxis (Malaysia), Telia (Lithuania), Rakuten (Japan) Enabled VoWIFI on CSL/Smartone/3HK/CMHK (Hong Kong). Added Auto lock touch function to Game Genie. This feature Turns on lock touch mode when screen is idle for a certain duration Improved grayscale performance of the display Improved Aura light function stability with the ROG Phone Armor Lighting case Fixed occurrence where System UI does not respond after clearing long list of notifications Fixed issue where Bypass Charging feature would occasionally not work Improved 5G Connection stability Fixed audio crackling and static noise when recording the music with SMULE APP. Turned on the “Auto-download-and-installation via Wi-Fi” setting in System update by default