Some users have success adding a 10k ohm pull-up resistor on the SD card's CS (chip select) line. This prevents bus floating that can mimic an active transaction.
: Download the official stock firmware and extract it. Look for a folder named dload containing a file titled UPDATE.APP . mrdlx1 firmware sd card exclusive
: Using an SD card to flash firmware (typically placed in a folder named Some users have success adding a 10k ohm