Pictures have emerged showing the North Korean leader smiling on a visit to a housing development.
Kim was absent from early state media coverage of an important political anniversary on Friday.
Friday will mark the 69th anniversary of the founding of North Korea’s Workers’ Party.
The two sides agreed to reopen dialogue amid a flurry of diplomatic activity which has raised hopes.
Pyongyang said it would put two US tourists on trial for committing crimes against the state.
North Korea breached the UN resolutions against the use of ballistic missile technology by the country.