Try a different USB port. Avoid USB 3.0 (Blue ports) for flashing; older USB 2.0 ports are often more stable for Exynos communication protocols.
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The (better known as the Exynos 850 ) is an 8nm octa-core processor designed for budget-friendly smartphones like the Galaxy A21s, A12 Nacho, and A04. "Drivers" for this chipset are typically required for two reasons: standard mobile-to-PC data transfer or advanced Android development and flashing. Essential Official Driver Downloads Try a different USB port
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