An on-orbit upgrade and maintenance operation of BDS-2 IGSO-6 satellite, BDS-2 IGSO-7 satellite, and BDS-3 GEO-3 satellite will be carried out from 18 April 2026. According to the maintenance process, a single satellite will be set to be unusable for about 4 hours. 

As for BDS-2 IGSO-6 satellite, the detailed duration is from UTC 18 April 2026, 03:00, to UTC 18 April 2026, 07:00; as for BDS-3 GEO-3 satellite, the detailed duration is from UTC 18 April 2026, 07:00, to UTC 18 April 2026, 11:00; as for BDS-2 IGSO-7 satellite, the detailed duration is from UTC 18 April 2026, 11:00, to UTC 18 April 2026, 15:00.