res = f_read(&file, file_buffer, chunk_len, &bytes_read);
:
Based on user reports and forensic analysis, the uuPdu.bin file typically originates from one of the following sources: sd+card+uupdbin
: Place the uupd.bin file directly in the root directory of the SD card. Do not put it in a folder, or the device won't find it during the boot cycle. res = f_read(&file