: Ensure you have the correct model number ( A156EDXS1AXA4 ) and understand the device's specifications.
Samsung Galaxy A15 5G (SM-A156E) specifically for the A156EDXS1AXA4 samsung a15 5g a156edxs1axa4 dump file nv file link
Ensure you have the correct Samsung USB Drivers installed on your PC. : Ensure you have the correct model number