Yes, it works – but only if you have TWRP recovery installed and a properly prepared flashable ZIP on a FAT32-formatted SD card .
Step 3 — prepare the SD card
However, if your phone is (dead screen, no vibration, not detected by PC), the SD card method will fail completely. In that case, you need a technician with an EDL cable or SP Flash Tool. flash oppo a57 via sd card work