Understand the type of ROM you're downloading. Custom ROMs can offer the latest Android versions, custom UI features, performance enhancements, or completely different features based on the ROM's base (e.g., AOSP, MIUI).
Use "Download Only" for standard flashing. Avoid "Format All + Download" unless necessary, as it can erase critical calibration data like your IMEI. Step-by-Step ROM Selection The Importance of Selecting a ROM Before Execution
: Manually install official or unofficial updates that may not be available over-the-air (OTA). custom UI features