A crucial firmware flaw in older Galaxy handsets prevents connection to Triple Zero (000) in emergencies, forcing telcos to disconnect non-compliant devices within weeks.

Australians using certain older Samsung Galaxy mobile phones have been issued an urgent, non-negotiable directive: update your software or replace your device immediately. Telstra, Optus, and Vodafone are contacting customers about a critical technical flaw that stops these handsets from connecting to Triple Zero (000) when their primary network is unavailable, a violation of stringent new regulatory requirements.

The core of the problem lies in the devices’ firmware, the embedded software that controls the hardware. Testing has revealed that the affected Galaxy models are attempting to “camp-on,” or switch to, the Vo

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