sumitMZ007 , via OnePlus 6 , Mar 4, 2021 : Has it happened recently while updating to latest OTA! Try to clear cache files and reboot the device! Check if that works out!
the_o2 , Mar 5, 2021 : Settings > system >Reset Options > Reset Wi-Fi, mobile & Bluetooth (it will delete your saved Wi-Fi passwords and Bluetooth settings also so keep that in mind) And restart your phone.
U1527191029539 , Mar 10, 2021 : after updating latest ota it's showing error! i have tried all the methods but still issue not resolved yet.
