Telstra Mobile Data Not Working? (Diagnose & Solve Now!)

If your Telstra mobile data not working, then this guide contains every solution possible!

Inaccessible Telstra mobile data might be a result of a failed link with the provider’s network or issues with your device’s settings.

This reading will help you uncover all potential causes for the problem and provide corresponding solutions to restore the Telstra mobile data functionality.

Whenever Telstra’s mobile data isn’t working on your device, correct the carrier settings and the Telstra APN configuration. Reinsert your Telstra SIM, update the firmware of the device and restore the networking settings to factory default.

Let’s explore the issue further!

Why is Telstra Mobile Data Not Working on Android?

Here’s why Telstra’s mobile data isn’t working on an Android device:

The default cellular carrier is improperly selected.
The firmware version of the device is not current.
There’s a fault with the device’s network settings.

This is what causes your Telstra mobile data not to work on the Android operating system.

Why is Telstra Mobile Data Not Working on iPhone?

Here’s why Telstra’s mobile data isn’t working on your iOS device:

Improperly inserted SIM card of the iOS device.
An issue with the iOS device’s network settings.
Wrong Telstra APN configuration on the iPhone.

Those are the possible causes for the sudden disappearance of Telstra mobile data or reception.

Keep reading further into the guide to explore reliable resolutions to the problem.

Telstra Mobile Data Not Working – Quick & Easy Solutions

If the status says “E” or has less than 2 bars, move out of dead zones and check for nearby devices or objects that are interfering with the reception.

Tip: Before starting with the guide, ensure your mobile device has at least 2 bars of cellular connectivity.

1. Re-activate the “Mobile Data” Feature

Reactivating the mobile data feature of your device should address issues with the cellular connectivity provided by Telstra.

Restarting the mobile data will temporarily disable the cellular coverage of your phone, allowing Telstra’s network connection to restart and refresh.

How to Re-Activate Mobile Data On Android?

Open the Settings app on your Android device.
Next, tap on “Network & Internet” → “Internet.”
Tap on the “Settings” next to the Telstra carrier.
Turn the “Mobile Data” option off and then on.
Test the cellular connection of the Telstra mobile.

How to Re-Activate Mobile Data On Apple’s iOS?

Open the Settings and go to “Mobile Service.”
Tap the activation slider next to “Mobile Data.”
Wait 30 seconds while the data is deactivated.
Tap the activation slider again to turn on the data.
Test your iPhone’s connectivity to the network.

Note: Once you’ve reactivated the mobile data, reboot the system through the power menu and check if Telstra's data is now accessible.

2. Adjust the Network Carrier’s Settings

Not specifying the preferred carrier in your device’s mobile setting will not allow any of the Telstra mobile data from being used.

The next step is to select Telstra as the default cellular provider and regain access to all features included in your subscription and mobile data.

Set “Telstra” As the Default Provider On Android:

Start by opening the “Settings” on your Android device.
Tap “More Networks” or “More Settings” (older models).
Select “Network Operators” and wait for the tab to load.
Scroll the network providers list and then locate “Telstra.”
Confirm the provider choice and save the carrier settings.

Set “Telstra” As the Default Provider On Apple:

Access the “Settings” app from the home screen.
Tap on “Cellular” and go to “Cellular Network.”
Tap “Network Selection” from the options below.
Tap the “Automatic Switch” for manual selection.
Select “Telstra” from the list as the manual carrier.

Note: Only carrier networks that are in the range of your phone will appear as an option!

3. Reinsert Telstra’s Mobile SIM Card

An impaired connection between the mobile device and the Telstra SIM card may cause issues with the cellular connectivity and the mobile data.

To address issues with the SIM card, it is advised to eject the chip, clean the SIM tray and reinsert it correctly into your Telstra mobile.

Here’s how to reinsert Telstra’s SIM card in easy steps:

First, find the SIM slot on the side of your Telstra mobile.
After that, insert a pin to pop open the tray and pull it out.
Remove the Telstra SIM card from your mobile’s SIM tray.
Clean the SIM tray out of dust accumulation and debris.
Place the Telstra SIM back into the SIM tray of your device.
Gently push the SIM tray into the mobile device cardholder.
Test the cellular coverage and your Telstra mobile data.

Note: If the SIM card is visually damaged or does not fit the tray properly, contact Telstra for a replacement or require a SIM extension.

4. Update the Firmware of the Device

The next step is to update the firmware of your mobile device to gain access to the latest features and hotfixes.

Uploading the latest firmware available for your device is necessary to maintain proper functionality of all default features and settings, including mobile data.

How to Update Firmware On Android?

To update, go to “Settings” → “Software Update” → “Start Update.”

How to Update Firmware On iOS?

To update iOS, go to “Settings” → “General” → “Software Update” → “Install Update.”

Once the device finishes the firmware update, it will reboot to load the latest software data and functions.

You can enable “Automatic Updates” for both Android and iOS devices in the settings.

5. Apply Telstra’s APN Configuration

Not adjusting the APN configuration of your mobile device to Telstra’s details may disallow the usage of cellular functions, such as mobile data and cellular calling.

This step will provide you with the correct APN configuration released by the carrier to correct your device’s settings.

How to Set the APN Settings On Android & iOS?

To set up the APN settings on an Android device, go to Settings → Wireless Connections → More → Mobile Networks → Access Point Names.

To set up the APN settings on an iOS device, go to Settings → Cellular → Mobile Network → Mobile Data Options → New APN.