Telkom 4, also known as Merah Putih, is an Indonesian geostationary communication satellite built by Space Systems/Loral that is located at an orbital position of 108° East and is operated by PT Telekomunikasi Indonesia Tbk.

It was launched on 7 August 2018, at 05:18 UTC or 12:18 Jakarta Time, using the SpaceX Falcon 9 Block 5 launcher from Cape Canaveral Air Force Station, Florida, United States.

Telkom-4 is devoted to serving high-definition television (HDTV) broadcasts, GSM and Internet services.

Telkom-4 was launched using the SpaceX Falcon 9 Block 5 first stage B1046.2 from Cape Canaveral Air Force Station (CCAFS), Florida, United States on 7 August 2018, at 01:18 UTC.

The launch was the first time SpaceX reused one of the Block 5 variant of the Falcon 9 rocket boosters.