Outage in Particle
South African EtherSIM connectivity
Resolved MinorIncident Report
Summary AI Generated
Particle's B524 and M524 EtherSIM devices in South Africa lost cellular connectivity due to carriers rejecting or blocking data sessions. A networking change implemented on June 27 restored connectivity for devices coming online after that date. The issue was fully resolved on July 14, with affected devices requiring a reset or power cycle to resume normal operation.
Particle is investigating multiple reports of cellular carriers in South Africa rejecting or not allowing data sessions to flow.
The issue relates to B524 and M524 devices.
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Latest Updates ( sorted recent to last )
RESOLVED
12 days ago - at 07/14/2026 08:27PM
The issue is considered resolved. Affected devices will need to be reset or power cycled to resume connectivity.
IDENTIFIED
17 days ago - at 07/09/2026 10:11PM
Particle is working closely with our cellular partners, their regional partners, and the local carriers to address this issue. On the 27th of June a networking change was implemented, and devices coming online since are able to pass data.
Investigation into the root cause is ongoing.
INVESTIGATING
about 2 months ago - at 06/08/2026 12:16PM
Particle is investigating multiple reports of cellular carriers in South Africa rejecting or not allowing data sessions to flow.
The issue relates to B524 and M524 devices.
Latest Particle outages
Device connectivity instability - 2 months ago
Device connectivity instability - 2 months ago
Integration/Event stream instability - 3 months ago
Ethersim connection instability - 3 months ago
EtherSIM - Service degradation - 5 months ago
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