Preparations

• Required docs
  1. Passport
  2. Appointment Letter
  3. DS-160 confirmation (for both old and new just in case )
• Make sure your face is clean and doesn’t have any marks.
• Don’t get your fingers cut in any way. This can affect fingerprint process

Process

• Go inside
• Take barcode on passport
• Request to change DS-160
• After take a photo and fingerprints.
• Ask if additional steps are there
• Free to leave

Precautions

• Ensure that DS-160 is properly filled
• If you made a mistake in DS-160 you can change it at the time of OFC but not after that