Use a barcode scanner or smartphone camera app
Align the scanner with the barcode lines
Keep the barcode fully visible and unobstructed
Hold the device steady until the scan completes
Ensure proper lighting and focus
Check that the barcode is not damaged or blurred
Scan the barcode from the correct distance
Use the barcode type supported by the scanner
Read the decoded number or product information from the device screen
Verify the result if the scan is unclear