Bandwidth experienced a major incident on September 30, 2026 affecting MMS Messaging (MM4), lasting 36m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Sep 30, 2026, 01:54 AM UTC
Bandwidth teams are investigating an incident impacting outbound MMS messages towards AT&T destinations. Theses messages are delayed in delivery.
- resolved Sep 30, 2026, 02:31 AM UTC
This incident has been resolved.
- postmortem Sep 30, 2026, 11:53 AM UTC
Between 23:37 UTC and 02:07 UTC on September 29-30, 2026, outbound MMS messages destined for AT&T experienced delivery delays. Bandwidth is continuing to investigate this issue to identify all actions necessary to prevent this from recurring and will update this post with an Incident Report after investigations have concluded. We are grateful you have entrusted Bandwidth as your communication partner and we are sorry if this issue resulted in any disruption to your services.