
The 3G network shutdown is a significant change that will affect millions of mobile users worldwide. The shutdown is expected to happen in the United States by 2022.
Many older mobile devices and smartphones will no longer be able to connect to the internet or make calls, as they rely on 3G technology. This is a major concern for users who still rely on these devices.
The 3G network has been around for over two decades and has been widely used for mobile internet access. However, it has become outdated and slower compared to newer technologies like 4G and 5G.
Users who rely on 3G for internet access will need to upgrade to a newer device or find alternative internet options, such as Wi-Fi or a mobile hotspot.
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Affected Devices
Many home devices and IoT devices will lose connectivity due to the 3G shutdown. This includes security systems, older Amazon Kindle devices, emergency response systems, alarms, and thermostats.
Older GPS devices dependent on 3G networks could lose real-time traffic information, maps, and directions, making them less effective.
Some smartphones will continue to work, but only if they launched after 2014 and display "4G LTE" or "5G" in their status bar. This includes iPhones and Samsung phones, but not international variants.
Phones and tablets that support Wi-Fi will continue to work as before, allowing you to use iMessage and FaceTime over Wi-Fi with your Apple ID.
Older Kindle ebook readers and some smartwatches will become Wi-Fi-only, but the home alarm system industry has been the most vocal about the shutdown. If you use a non-ADT alarm provider, you should ask them if you need an upgrade.
The situation with cars is complicated, but the shutdown won't affect your ability to drive your car. However, it could affect remote start, remote location, integrated navigation, and OnStar-like services.
Here's a list of devices that may be affected by the 3G shutdown:
- IoT devices like security systems, older Amazon Kindle devices, emergency response systems, alarms, and thermostats
- Older GPS devices
- Some smartphones that launched before 2014
- Older Kindle ebook readers
- Some smartwatches
- Non-ADT alarm systems
- Cars that use 3G network services for features like remote start, emergency response, vehicle diagnostics, and tracking
Device Compatibility
Many home devices depend on connectivity on the outdated 3G system, including security systems, older Amazon Kindle devices, emergency response systems, alarms, and thermostats.
Some wearable technology like smartwatches will no longer have network connectivity.
Standalone GPS devices dependent on 3G networks could lose real-time traffic information, maps, and directions, making these units less effective without an update.
If your phone doesn't say "4G LTE" or "5G" in its status bar when Wi-Fi is off, there's a good chance it is a 3G phone and will no longer work after the shutoff.
Phones or tablets that currently support Wi-Fi will continue to work as before, allowing you to access the internet and use apps over Wi-Fi.
Older Kindle ebook readers and some smartwatches will become Wi-Fi-only, limiting their functionality.
The home alarm system industry has been the most vocal about the shutdown, with some providers still using 3G technology.
If you don't use ADT, you should ask your provider if you need an upgrade, as the shutdown might affect your alarm system.
The situation with cars is really complicated, with the shutdown potentially affecting remote start, remote location, integrated navigation, and OnStar-like services.
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Network Providers
Telstra and Optus will both switch off their 3G networks on 28 October 2024. This is a significant change that affects many Australians.
You can visit the Optus website or call 133 937 for more information about the switch off.
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Telstra
Telstra will switch off its 3G network on 28 October 2024. This means you'll need to upgrade to a 4G or 5G plan before then to stay connected.
If you're unsure about your current plan, you can visit the Telstra website or contact their customer service for more information.
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Vodafone
Vodafone has already switched off its 3G network. For more information, you can visit the Vodafone website or call 1555.
AMTA
The Australian Mobile Telecommunications Association (AMTA) is the peak mobile telecommunications industry body.
They're working closely with the Australian Government to support the planned switch offs in a safer way.
You can find more information about the types of devices that may be impacted by the switch off on the AMTA website.
The AMTA website is a great resource for learning more about the switch offs and how they may affect you.
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Timeline and Planning
The timeline for 3G phase-out varies by mobile service provider, so it's essential to contact your provider for the most accurate information.
Some providers have already completed their phase-out, while others are still in the planning stages.
AT&T officially shut down its 3G network on February 22, 2022, and Sprint's 3G network, which Boost shares, officially shut down on May 31, 2022.
T-Mobile's 3G network will shut down on July 1, 2022, but its 2G network will stay alive in an extremely limited way.
Verizon's 3G network will shut down by December 31, 2022, and US Cellular says it will be the "last large carrier" to shut down 3G, but hasn't given a date.
Here's a list of some of the mobile providers that have made public announcements or are still in the planning stages of their 3G phase-out:
- Bell – Lucky Mobile, Virgin Mobile
- Québecor – Vidéotron, FIZZ, Freedom Mobile
- Rogers – Chatr Mobile, Fido
- SaskTel – Lüm Mobile
- TELUS – Koodo Mobile, Public Mobile
Dish never ran a 3G network; its network is pure 5G.
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Impact and Solutions
The 3G shutdown is a significant change that will impact many people's cellphones.
Most phone companies in Ontario, like Rogers, Bell, and Telus, will shut down their 3G networks by the end of 2025, with some shutting down as early as July 31, 2025. This means that 3G-only phones will stop working completely, and you won't be able to make calls, send texts, or use data, not even to call 911.
If your cellphone exclusively functions on 3G networks, you'll need to upgrade it to a model compatible with newer networks, such as VoLTE 4G phones. VoLTE, or Voice over LTE, began to be implemented in Canada in 2015 and improves call quality and supports enhanced calling features.
Your cellphone and/or SIM card will need to be upgraded if it falls under one of the following categories:
Your mobile service provider should contact you if you're impacted by the phase-out of a 3G network. However, if you have not been contacted and are concerned that your cellphone service will be affected, contact your mobile service provider or visit its website for more information.
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General Information
Telcos are required to stop supplying services to mobiles that cannot connect to triple zero using a 4G or 5G network.
The 3G network shutdown will typically impact older mobile handsets, but could also affect other devices that connect over a mobile network such as tablets, smart watches, baby monitors, medical alarms or EFTPOS machines.
Devices that only connect via the 3G network will no longer be able to make phone calls, send or receive messages, access data or contact 000.
There are multiple ways devices can be affected, including devices that are not VoLTE compatible or do not support emergency VoLTE compatibility.
Devices that use the 3G network for emergency calls, even if they have a 4G device, will not be able to contact 000 after the shutdown.
Telstra is sending 12,000 mobile devices to their most disadvantaged, elderly and remote customers to help them upgrade their devices.
If you have an impacted device, it's essential to upgrade it now to avoid being without service.
Here are some affected devices:
- Mobile handsets
- Tablets
- Smart watches
- Baby monitors
- Medical alarms
- EFTPOS machines
Reason for Shutdown

The 3G shutdown is largely due to the fact that 3G networks are very old, with the form of 3G used by Sprint and Verizon being an enhancement to 2G, dating back to 1995-1996 technology.
Carriers have limited access to airwaves, which are licensed at great cost from the FCC, making it difficult to justify maintaining outdated technology.
The 3G technology assumes much less computing power than modern devices, making it less efficient than 4G or 5G.
In fact, 5G is 23 times more spectrally efficient than 2G, allowing for a much larger number of users to be handled with the newer technology.
This significant difference in efficiency is a major reason why carriers are shutting down their 3G networks.
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Does Shutdown Affect Wi-Fi?
The 3G shutdown is a significant change, but it won't impact your Wi-Fi connectivity.
Wi-Fi and 3G networks use different technologies and infrastructures. This means Wi-Fi functionality remains unaffected by changes to 3G networks.
Wi-Fi connects devices to the internet via a local router, which is a separate system from cellular towers managed by telecommunication providers.
Overview

The 3G network shutdown is a significant change that affects many mobile devices and services. If your mobile was identified as being affected by the 3G shutdown on or before November 1, 2024, your services may have been disconnected between October 28 and November 1, 2024.
Telcos are required to stop supplying services to mobiles that cannot connect to triple zero using a 4G or 5G network. This means that devices that only connect via the 3G network will no longer be able to make phone calls, send or receive messages, access data, or contact 000.
Devices that are not VoLTE compatible will not be able to make phone calls over the 4G and 5G network. This includes devices that are older 4G devices that use the 3G network for emergency calls.
If you have an impacted device, it's essential to upgrade it now to avoid being without service. Telstra is sending 12,000 mobile devices to their most disadvantaged, elderly, and remote customers.
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Here are some ways devices can be affected by the 3G network shutdown:
- Devices that only connect via the 3G network will no longer be able to make phone calls, send or receive messages, access data, or contact 000.
- Devices that are not VoLTE compatible will not be able to make phone calls over the 4G and 5G network.
- Devices that do not support emergency VoLTE compatibility will not be able to call 000.
Frequently Asked Questions
Why did they shut down 3G?
They shut down 3G to free up radiofrequency spectrum, allowing for improved capacity, speed, and reliability of 4G and 5G networks. This move enables better mobile connectivity and faster data speeds for users.
How do I upgrade my phone from 3G to 4G network?
Unfortunately, upgrading a 3G phone to 4G is not possible through software updates or modifications, as it requires hardware changes to support the new network standard. Consider replacing your phone with a newer model that supports 4G connectivity.
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