Telcos delay 3G shutdown ahead of mass public awareness campaign 22/08/2024 Facebook Optus and Telstra have delayed a shutdown of their 3G networks ahead of one final public awareness campaign. (File/AAP) By Jeremy Cook Two of Australia’s biggest telcos have delayed a nationwide shutdown of their 3G networks ahead of one final push to […] Subscribe or Login to see the rest of the content. Username Password Remember Me Forgot Password