Official OTA (Over-the-Air) updates are the safest. You can check for these by connecting to Wi-Fi and navigating to .
To make your new Android 11 interface feel faster, enable Developer Options (tap "Build Number" 7 times) and set "Window Animation Scale" to Off . 8227l Android 11 Firmware Download
Use a blank USB flash drive or SD card formatted to FAT32. Official OTA (Over-the-Air) updates are the safest