UK warns 2G shutdown could leave older devices offline by 2033

[Alfonso Maruccia]

Free Frequency: Legacy cellular networks are quietly being phased out worldwide, and the UK government is now warning that the final chapter for 2G is approaching fast. Within a few years, the remaining networks will be gone, potentially leaving some connected devices stranded.

In newly issued guidance, UK officials outlined the timeline for shutting down legacy mobile infrastructure. Operators have already switched off 3G services, and 2G is set to follow between 2029 and 2033. Users are being urged to prepare ahead of time, as not all devices will make the transition intact.

Authorities say any device that lacks 4G or 5G support will effectively lose its ability to connect. That means 2G-only hardware must be upgraded or replaced to continue handling calls, messages, and data. Most modern smartphones already meet these requirements, so for many users the change will be largely invisible.

The UK government is also providing simple guidance for less tech-savvy users, explaining how to quickly check whether a phone supports 4G or 5G. Customers are also advised to confirm compatibility with their mobile provider.

The guidance saves one of its most important warnings for last. Authorities say the 2G shutdown will affect certain smart devices, including telecare medical pendants, lift alarms, and fire alarm systems. If these devices rely on 2G connectivity, they will need to be upgraded or replaced.

UK authorities have been preparing for the 2G and 3G switch-off for years. Regulators and mobile operators have invested heavily in upgrading network infrastructure, though the transition has already caused issues for some smart meters and other connected devices. According to Mobile UK, the industry trade group, all operators have agreed to retire both 3G and 2G by 2033.

The organization notes that 5G networks are up to 10x more energy efficient than 3G, while also delivering faster and more reliable connectivity. And this is not just a UK story – many developed countries have already phased out older cellular technologies or are preparing to do so in the near future.

Permalink to story:

UK warns 2G shutdown could leave older devices offline by 2033

 

[ScottSoapbox]

I ran into this when they stopped 3G is the US a while ago, but I’m surprised 2G is still around. I assumed that happened first.

 

[LordVile95]

It’s been planned for years, if you haven’t sorted your stuff out by 2033 it’s your problem

 

[Hexic]

I’m surprised they hadn’t already killed 2G… but then again, that region of the world has always been a bit behind the US in mobile technology in general.

 

[thewelshbrummie]

I’m surprised 2G is still around. I assumed that happened first.

There's usually some old tech reason for that.

Take Long Wave Radio. That's still a thing in the UK, though it's mainly running due to old electricity meters that use a signal hidden within the LW broadcast frequency to switch those meters between peak and off-peak pricing. It should have been terminated 2 years ago but behind schedule replacement of those meters has led to it continuing - with termination being scheduled for later this year.

In this case the UK Government is citing 2G-based smart electricity meters but also life critical devices that are 2G based IoT devices. Basically they need to be replaced and 2G switch-off won't happen until they're replaced by equivalent devices that support 4G or 5G.

The link is for the 2G switch-off charter published 3 days ago - I assume that's the basis of this article. Essentially the UK Government doesn't allow for switch-off of old broadcasting networks until it's certain that there aren't any edge-cases that still require support.

 

[Burty117]

I’m surprised they hadn’t already killed 2G… but then again, that region of the world has always been a bit behind the US in mobile technology in general.

I only had to do a quick Google to find that T-Mobile is still carrying 2G in America...

 

[Hexic]

I only had to do a quick Google to find that T-Mobile is still carrying 2G in America...

On that same quick search, you would have also found this:

“As of early 2026, T-Mobile has officially begun a gradual, region-by-region dismantling of its 2G infrastructure. While you might still find a faint 2G signal in specific pockets of the country where the hardware hasn't been decommissioned yet, the network is considered "retired" and is no longer reliable for daily use.”

UK is just starting the process… “Operators have already switched off 3G services, and 2G is set to follow between 2029 and 2033.”

The US is 97% completed already, with one microscopic holdout, that is operationally useless.

My point still stands.

 

[daffy duck]

No 2G or 3G in Australia since late 2017 and 2024 respectively. What a bunch of Luddites in the UK that 2G is still a thing.