Try a different USB cable or port. Reinstall the Samsung USB drivers.
There are many custom ROMs (LineageOS, Pixel Experience) available for the A20, but the Samsung firmware has irreplaceable benefits: official samsung galaxy a20 sma205f ds stock rom
Installing the is a vital procedure for restoring your device to its factory state, fixing software-related bugs, or upgrading/downgrading your operating system . This specific model, the SM-A205F/DS , is the Dual-SIM variant of the Galaxy A20 powered by the Exynos 7884 chipset. Why You Need the Official Stock ROM Try a different USB cable or port
Once you flash the official ROM, you will receive Over-The-Air security patches and Android updates directly from Samsung again. This specific model, the SM-A205F/DS , is the
effectively ended in , with the last minor security patches, such as A205FXXSBCWC4 , rolling out in April 2023. Legacy and Custom ROMs