The D-4 visa is designed for students attending Korean language programs or non-degree training courses. Many Uzbek students use the D-4 as a pathway to the D-2 student visa.
Part-time allowed after 6 months (with permission). Up to 20 hours/week (varies by institute).
ContactPossible, but strict document checks apply.
Yes, after 6 months, with permission.
Up to 20 hours/week (varies by institute).
Yes. Many Uzbek students do D-4 → D-2.
Weak financial proof, no clear study plan, previous visa violations.