If your Australia eSIM is installed but you have no internet, the problem is usually caused by one of a few simple settings. In most cases, mobile data starts working after you select the eSIM for data, enable Data Roaming, check the APN, and restart the phone.
This guide explains what to do if your Australia eSIM shows no internet in Sydney, Melbourne, Brisbane, Perth, Gold Coast, Cairns, Tasmania, the Whitsundays, or anywhere else in Australia.
Quick answer: select the Australia eSIM for mobile data, turn on Data Roaming for the eSIM, set APN to data.esim, turn off automatic data switching, toggle Airplane Mode, and restart your phone.
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- The eSIM is installed but not enabled.
- Your phone is still using the primary SIM for mobile data.
- Data Roaming is turned off for the eSIM.
- The APN is missing or incorrect.
- Automatic data switching is using the wrong SIM.
- The phone has signal but has not registered data correctly.
- You are in an area with weak mobile coverage.
Step 1: Check That the eSIM Is Enabled
Open your phone settings and make sure the Australia eSIM is turned on.
On iPhone:
Settings → Cellular
On Android:
Settings → Network & Internet → SIMs
On Samsung:
Settings → Connections → SIM Manager
Step 2: Select the Australia eSIM for Mobile Data
Your phone must use the Australia eSIM for internet.
- Mobile Data: Australia eSIM
- Calls: Primary SIM
- SMS: Primary SIM
Step 3: Enable Data Roaming for the eSIM
Travel eSIMs usually need Data Roaming to be enabled.
Turn Data Roaming ON for the Australia eSIM.
To avoid extra charges from your home operator, keep Data Roaming OFF on your primary SIM.
Step 4: Set the Correct APN
| Setting | Value |
|---|---|
| APN | data.esim |
| Username | Leave blank |
| Password | Leave blank |
Step 5: Toggle Airplane Mode
- Turn Airplane Mode ON.
- Wait 30 seconds.
- Turn Airplane Mode OFF.
- Wait several minutes for the phone to reconnect.
Step 6: Restart Your Phone
After changing mobile data, roaming, or APN settings, restart your phone. This helps the device register again on the local network.
Recommended Australia eSIM Settings
| Setting | Recommended Value |
|---|---|
| Mobile Data | Australia eSIM |
| Data Roaming | ON for the eSIM |
| APN | data.esim |
| Primary SIM | Calls and SMS |
| Primary SIM Data Roaming | OFF |
| Automatic Data Switching | OFF |
No Internet on iPhone With Australia eSIM
On iPhone, check:
- The Australia eSIM is turned on.
- Mobile Data is set to the Australia eSIM.
- Data Roaming is enabled for the eSIM.
- Allow Cellular Data Switching is turned off.
- APN is set to data.esim if available.
No Internet on Android With Australia eSIM
On Android, check:
- The Australia eSIM is enabled.
- The eSIM is selected for mobile data.
- Data Roaming is enabled.
- APN is set to data.esim.
- Automatic SIM switching is disabled.
Signal but No Internet
If your phone shows signal but websites and apps do not load, the most common reasons are Data Roaming, APN, or mobile data selection.
- Enable Data Roaming for the eSIM.
- Set APN to data.esim.
- Select the Australia eSIM for mobile data.
- Turn Airplane Mode on and off.
- Restart the phone.
No Signal and No Internet
If there is no signal at all:
- Make sure you are physically in Australia.
- Confirm the eSIM is enabled.
- Move to an open outdoor area.
- Restart the phone.
- Wait several minutes for network registration.
Common Mistakes to Avoid
- Leaving the primary SIM selected for mobile data.
- Forgetting to enable Data Roaming on the eSIM.
- Typing the APN incorrectly.
- Deleting the eSIM profile too early.
- Trying to scan the same QR code again after installation.
- Keeping automatic data switching enabled.
Can You Keep Your Primary SIM Active?
Yes. You can usually keep your primary SIM active for calls and SMS while using the Australia eSIM for mobile data.
For the safest setup, use your primary SIM only for calls and SMS, and keep mobile data assigned to the Australia eSIM.
Will WhatsApp Work After Internet Is Fixed?
Yes. Once mobile data works, WhatsApp will continue using your existing phone number.
- Messages
- Voice calls
- Video calls
- Photo sharing
- Location sharing
- Group chats
Related Australia eSIM Guides
- Australia eSIM
- eSIM Not Working Australia
- APN Settings Australia eSIM
- Why Is My eSIM Slow in Australia?
- Does My eSIM Work in Australia?
- How to Use eSIM in Australia
- How to Activate Australia eSIM
FAQ: No Internet Australia eSIM
Why does my Australia eSIM have no internet?
The most common reasons are Data Roaming being off, the wrong SIM selected for mobile data, incorrect APN settings, or the eSIM line being disabled.
What APN should I use?
Use APN data.esim and leave username and password blank.
Should Data Roaming be on?
Yes. Data Roaming should be enabled for the Australia eSIM. Keep roaming off on your primary SIM if you want to avoid roaming charges.
Should I delete and reinstall the eSIM?
No. Do not delete the eSIM unless support instructs you to do so, because many QR codes can only be installed once.
Why do I have signal but no internet?
This usually means the phone is connected to a network, but mobile data settings are not correct. Check Data Roaming, APN, and mobile data selection.
Final Recommendation
If your Australia eSIM has no internet, start with the essential settings: enable the eSIM, select it for mobile data, turn on Data Roaming, set APN to data.esim, disable automatic data switching, and restart your phone.
These steps solve most no-internet issues with Australia eSIM plans.