News 3G network closure delayed 24/08/2024 FacebookTwitterEmail Telstra and Optus recently announced the delay of its closure of the 3G network which will now shut down on October 28. - Advertisement - The announcement of Telstra and Optus delaying its closure of the 3G network has been welcoming news for rural, regional, […] - Advertisement - Subscribe or Login to see the rest of the content. Username Password Remember Me Forgot Password - Advertisement -