Samsung SM-A205U1 Firmware download for United States (AIO). This is Android 9 Official firmware (Stock Flash file) for Galaxy A20 model code SM-A205U1. Repair the operating system for fixes issues like boot loop, hanging, soft brick, etc. Samsung SM-A205U1 Stock Firmware Download (Galaxy A20 SM-A205U1 Flash file).
- Samsung device drivers Flashing guide: 1. Download and extract a zip file containing your desired firmware. 2. Open Odin Tool. 3. Boot your device in the "Download Mode": Press Volume Down, Power and Home buttons at same time for 5-8 seconds until download mode is active. 4. Connect your device to PC via the USB cable while in download mode. 5.