Help and troubleshooting

Keeping you safe: An issue with some mobile devices calling Emergency Services. 

During emergencies, and at times when your mobile phone can’t connect to its regular network, your phone is designed to automatically connect to another available mobile network to make Emergency Services calls (i.e. ‘000’ and ‘112’).

It is critically important that phones can reach Emergency Services. For this reason, telecommunication carriers, including Optus, are required by law to block phones that don’t meet Emergency Services calling requirements. If we have identified that you have an impacted device, we will communicate with you via email or SMS. You will then have 28-35 days to take action before we block your device. To ensure you are using a safe device, we do recommend you check your device is compliant, even if we have not sent you a message.

Impacted Samsung devices 

Samsung has identified a number of mobile devices that do not correctly connect to the Vodafone mobile network to make Emergency Service calls (i.e. ‘000’ and ‘112’) in certain circumstances.

On rare occasions when both the Optus and Telstra networks are unavailable, your phone needs to switch to Vodafone in order to contact Emergency Services.  This is due to your Dodo mobile service operating on the Optus network. 
 
Note, this issue does not relate to the Optus network, and it will not affect your ability to call Emergency Services when the Optus network or the Telstra network are available. 

How to fix the issue 

Many devices can be fixed by a Software update. However, some older devices (released over seven years ago) will need to be replaced. 

To check if your device is impacted, and what action you need to take, an up-to-date list of impacted device models and names is available on the Samsung website. 

If your phone or device: 

A. Needs to be replaced – we will notify you and you will have 28 to 35 days to replace your device.

B. Requires a software update – you need to update your device software immediately to the latest software version. 

If you do not update your software or replace your phone, under Australian law, we will be required to block your phone or device from connecting to the Optus mobile network. Once the phone is blocked, you won't be able to use it to make or receive calls (including Emergency Services calls). You also won’t be able to call Dodo for support, so it’s important that you take action before your phone is blocked. 

To update the software on your device, you need to:

Step 1. Go to Settings and scroll to the bottom of the menu.

Step 2. Tap on ‘Software update’.

Step 3. Tap ‘Download and install’. If an update is available, it should download automatically. Tap ‘download now’ if it doesn’t and then tap ‘OK’.

Step 4. Repeat steps 2-3 if needed until your device(s) states that 'Your software is up to date'.
 

Note:

  • On some phones, it may say 'System updates' instead of 'Software update.'
  • Depending on your software version, it may be necessary to repeat this process multiple times which could take a while. You won’t be able to use your device during this time, so please make sure your device is sufficiently charged before you start.
  • Once you have updated your device to the latest software, consider enabling automatic update – these will prompt you to download and install the latest software available.

If you are not sure how to update your software, you can contact Samsung directly.

What you need to know.
 

Why is this happening? 

Some phones don’t automatically connect to another network when needed. This means they might not be able to call Emergency Services in an emergency if your usual network isn’t working. 

Does this affect all mobile phones? 

Only specific models are impacted - not all Samsung phones. Please check your phone against the list of impacted devices on the Samsung website. If you receive an SMS or email notification from us, that means your mobile device is impacted and either needs to be replaced or requires a software upgrade.

What is the issue? 

Certain Samsung devices do not support automatic fallback to the Vodafone network. This means you will not be able to make Emergency Calls on the rare occasions when both the Optus and Telstra networks are unavailable. This is a requirement by law to ensure Emergency Services calls can be made when your primary network is unavailable. 

Which devices are affected?

Samsung have identified some mobile devices that require replacement or have non-compliant software, which means that they will not connect to Emergency Services if both the Optus and Telstra networks are down.

To check if your device is impacted, and which action you need to take, an up-to-date list of impacted device models and names are available on the Samsung website.
 

Can this issue be fixed? 

The devices “A: Need to be replaced” cannot be fixed and will be blocked after the 28 - 35 calendar day notice period and will not work on our network. The devices “B: Requires a software update” can connect to Emergency Services once the phone's software has been updated to latest software version.   
 

How will I know if my device is impacted? 

Where Optus has recognised that you are on an impacted phone, Dodo will contact you via SMS and email. You should still check your device status here Samsung or contact Samsung directly. 

What happens if I don’t act? 

Under the Emergency Call Service Determination, Optus must notify customers once we identify a non-compliant device. The device must then be replaced or upgraded to compliant software, otherwise it will be blocked. Once blocked, you won’t be able to use it to make or receive calls (including Emergency Services calls). 
 

Can I still use Wi-Fi? 

Blocked devices cannot make voice calls over Wi-Fi, including emergency calls, or send/receive SMS. 

Why does this happen? 

Differences in device software, firmware, and network compatibility can affect whether an emergency call connects successfully. Some devices don’t behave consistently under network stress or configuration changes, and this can vary depending on the phone’s country of origin, model, age and software version. 

What is Optus & Dodo doing about it? 

Optus conducts regular reviews of all devices connected to their network on behalf of Dodo to verify emergency call compliance. Optus is working with the industry to ensure rigorous device testing. As a backup during an emergency, mobile phones are designed to connect to any available network, allowing you to connect to Emergency services numbers '000' and '112'.

 

 

 

 

Your mobile device may not be working due to any of the below:

Service suspension

  • Your service may have been suspended for one of several reasons. If your payments are up to date your service should be working without any issue. Log into MyDodo to check your balance or pay a bill.

Handset or SIM issue

  • If your payments are up to date and you are still unable to use your service, try our mobile troubleshooting steps found here.

Device not compatible with Triple Zero (000) calls

  • By law Dodo is required to block mobile phones that cannot call Triple Zero (000) from accessing the mobile network from 28 October 2024, as per the Telecommunications (Emergency Call Service) Amendment Determination 2024 (No. 1) of 23 October 2024.
  • Click here to determine if your handset is compatible.

If you require further assistance, please contact us via online chat here.

Basic troubleshooting

If your handset is not working please try following steps:

  • Turn the phone off
  • Remove battery and SIM card from the handset
  • Put the battery and SIM back in the handset and turn your phone on again
  • If still not working, try your SIM in another handset. This will help you determine if the problem is your SIM card or your handset
  • If the SIM is working in an another handset - that means there is an issue with your handset or potentially your handset is locked to a different provider
  • If the SIM card is not working in another handset - that means it is most likely issue with your SIM

If it is an issue with your SIM card, please raise a support request via MyDodo.

If you suspect an issue with the handset, we suggest you contact the manufacturer.

Mobile Data

If you are having issues getting online, check the following.

  • Have you activated your SIM card? You can activate your SIM card here.
  • Are your monthly payments up to date? Login to MyDodo to check your account balance.
  • Does your plan include a monthly data allowance? You can login to MyDodo to view your data allowance and remaining balance.

If mobile data is still not working, please check that you have the correct mobile data settings as shown below.

 

GPRS Settings:
 

Website:- http://networker.optus.net.au/wap/index.wml
APN:- Internet
Gateway/Proxy IP:- 202.139.83.152
Port:- 9201

 

If your settings are correct and the sim card is active but mobile data is not working, contact us via online chat for further assistance.

 

MMS

If you are having issues, you can check that you have the correct MMS settings as shown below.

MMS Settings: 

Website:- http://mmsc.optus.com.au:8002/
APN:- MMS
Gateway/Proxy IP:- 61.88.190.10
Port:- 9201

 

Still having issues? Contact us for further assistance.

Use your mobile data on other devices

Also known as tethering, Mobile Hotspot allows the sharing of an internet connection from one device to another via Wi-Fi.

For information on how to enable this, please refer to your device manual.

Help with your new mobile service

New Number

If you are activating a new number, ensure your new Dodo SIM card is inserted and seated correctly in your device. We also recommend that you power cycle your handset/hardware after activation.

To power cycle your device, simply turn it off for 30 seconds, then turn it back on again.

Transferring your number to Dodo

When transferring a number to Dodo, we suggest you leave your original SIM in your device until it stops working.

When your old service has stopped working, turn your device off, remove your old SIM card, insert your new Dodo SIM card, and turn your device back on.

 

If you have tried the above steps, and are still having difficulty, please raise a support request at MyDodo.

 

Related

How do I fix mobile issues?

If your phone has been lost or stolen and you need a new SIM card, you can order a replacement by logging into MyDodo*.

 

  1. Select you mobile from ‘My services’.
  2. Under ‘Manage my Postpaid Mobile’ click ‘Order replacement SIM’.
  3. Update the delivery address if required.
  4. If your phone was stolen, you can temporarily block calls and SMS.
  5. Click ‘SEND ME MY SIM’

 

You should receive your Dodo Mobile SIM card within 1-4 business days of placing your order.

Please check Australia Post for accurate timeframes relevant to your location.

If your mobile service is not working correctly, please follow our troubleshooting steps found here. If you are still experiencing service issues, call us on 13 36 36 for further assistance.
 

Accounts signed up before 1 March 2023:

Customers on older Dodo Mobile plans will need to call us on 13 36 36 to request a replacement SIM card.

An IMEI (International Mobile Equipment Identifier) is the unique code that is programmed into every phone or mobile device.

When you contact your device manufacturer, they will most probably require this code.

To find your phone’s IMEI follow the following steps:

  1. Open your phone app,
  2. Dial *#06# into the dial pad,
  3. Press enter or call, and
  4. Your device automatically responds with its IMEI.

You can use the IMEI to check your device specifications with the manufacturer.