Mobiles
Get help to manage mobile settings, change plans and troubleshoot calls or data.
Search suggestions will appear below the field as you type
No results found
Take me to
Quick links
Browse our help topics
Looking for support for your Pre-Paid service? Go to Pre-Paid support.
Common questions
- What's a Telstra One Number and how do I manage it?
- How do I set-up and use voice-activated calling with Google Nest?
- What's a cooling off period?
- What is a Blue Tick device?
- How do I transfer data from my old phone to my new Samsung Galaxy S21?
- Can I put my SIM into another device?
- How do I activate and manage Mobile Speed and Latency Optimisers?
Common questions
- Does my Telstra Upfront Mobile plan include Premium SMS?
- What's extra data and how is it different to excess data charges?
- Can I pay for a mobile or tablet in monthly instalments?
- What is the new Telstra Upfront Plan?
- What's the mobile 4G Smart Antenna & how do I install it?
- Can I change my Pre-Paid service to post-paid and vice versa?
Common questions
- What is Wi-Fi calling and SMS?
- 3G closure - what do I need to know?
- How do I unlock my phone from the Telstra network using IMEI?
- Changes to Google Voice Activated Calling
- What's the mobile 4G Smart Antenna & how do I install it?
- How can I extend my mobile device's battery life?
- How do I activate and manage Mobile Speed and Latency Optimisers?
- How do I return accessories?
Popular topics
Rather get in touch? Let's get you connected
My Telstra app
View your services, pay your bill, troubleshoot tech issues, contact us via messaging and much more
Contact us
We're here to answer your questions.
In store
Find your nearest Telstra store or Wi-Fi hotspot.