Outage in ONSIM

19/11/25 - Service Incident Notice

Resolved Minor

November 19, 2025 - Started 3 months ago - Lasted about 3 hours
Official incident page

Incident Report

We are seeing a service degradation on the platform which is causing subscribers to de-register from the network when attempting to make calls and unable to receive inbound calls. We are only aware of this impacting iPhone devices currently. This is impacting subscribers registrations, as well as those registered and attempting to make calls over the mobile network. Subscribers using Wifi calling will not be impacted at this time.

Components affected

ONSIM Voice ONSIM Data ONSIM SMS

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Latest Updates ( sorted recent to last )

RESOLVED 3 months ago - at 11/19/2025 12:59PM

This incident has been resolved.

INVESTIGATING 3 months ago - at 11/19/2025 12:25PM

While we are still investigating, we do not believe the issue is widespread. We will provide a further update in due course.

INVESTIGATING 3 months ago - at 11/19/2025 10:55AM

We are seeing a service degradation on the platform which is causing subscribers to de-register from the network when attempting to make calls and unable to receive inbound calls.

We are only aware of this impacting iPhone devices currently.

This is impacting subscribers registrations, as well as those registered and attempting to make calls over the mobile network.

Subscribers using Wifi calling will not be impacted at this time.

Latest ONSIM outages

18/11/25 - Service Incident Notice - 3 months ago

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