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iD Mobile Review 2022: Great Value SIM Only Deals with 5G & Extra Perks

Powered by Three and owned by Dixons Carphone, iD Mobile offers great value SIM only and phone contract deals. Read our review to find out if it is the right network for you.

Latest Offer: Limited time offer - 5GB for £6!

iD Mobile is offering 5GB of Data for just £6 a month! This represents great value and also comes with unlimited minutes & texts, as well as access to the fastest 5G network in the UK!

What is iD Mobile?

iD Mobile is a mobile virtual network operator, powered by the Three Network and owned by Dixons Carphone. iD Mobile offers SIM only contracts, phone deals, and a pay as you go service with decent rates.

All their deals include 3G, 4G, and 5G coverage, but the latter service will only work with selected 5G devices.

They don’t have a 2G service, so if your device only supports 2G you should look for another carrier that isn’t using Three as their network partner.


  • Wide variety of SIM deals to choose from
  • WiFi Calling & 4G Calling on contract deals
  • Data Rollover
  • 5G at no extra cost
  • Competitively priced SIM deals


  • PAYG plans don’t have WiFi or 4G Calling
  • No fancy rewards or loyalty offers
  • No 2G coverage

Network Coverage & Speeds

iD Mobile 4G Coverage

iD Mobile uses the Three Network to provide 3G, 4G, and 5G coverage. Before we dive in any further, we’d like to remind you that Three and smaller networks powered by Three don’t have 2G, this means if your device only supports 2G it won’t work with their SIMs.

In the UK, iD Mobile offers over 99% population coverage, but what matters the most is geographical coverage and this is the area they are the weakest among all the other carriers. iD’s provider Three ranks as the worst in terms of 4G coverage.

If you’re unhappy with the service you’re getting from iD Mobile, there’s a 14-day money-back guarantee. Cancelling your mobile contract can be complicated, so if you’re unsure you may want to take this option. Alternatively, you can order a free iD Mobile PAYG SIM and test the network out. Since it’s a prepaid service there will be no credit checks.

You can easily keep your phone number if you switch to or switch from iD Mobile, it won’t be a problem.

We strongly recommend you to use iD Mobile’s Coverage Checker to ensure your frequented areas are covered.

iD Mobile 4G Speeds

iD Mobile customers enjoy unrestricted data speeds from Three. There are no hidden caps or restrictions.

Opensignal’s latest speed test ranks Three as the second fastest 4G network in the UK. According to the results published by Opensignal, Three and iD Mobile’s average 4G download speed is at 25Mbps, and its upload speed is around 6.3Mbps. iD Mobile itself wasn’t tested, but the result would be identical.

The average 4G data speeds you get from iD Mobile is more than enough to stream 4K films and series on platforms such as Netflix, Amazon Prime Video, Disney +; 4K YouTube videos, streaming on Twitch and more. However, your experience may differ greatly depending on many factors.

We can’t recommend iD Mobile for online mobile gaming unless you have 5G coverage, because the carrier’s 4G service isn’t reliable enough for gamers who’re playing ranked/competitive games.

iD Mobile 5G Coverage

If your area has Three 5G your iD Mobile SIM will also get 5G at no additional cost. iD Mobile 5G is currently available in over 300 locations covering more than 29% of the UK’s landmass, and there are more being added regularly. iD’s network provider Three has the best 5G coverage, the best 5G infrastructure and arguably the fastest 5G download speeds.

As mentioned earlier, we recommend you use iD Mobile’s coverage map before you sign a contract with them. If your area doesn’t have 5G coverage yet, you can’t enjoy the super-fast download speeds that come with 5G. You’ll also need a 5G ready handset.

iD Mobile 5G Data Speeds

Three claims they are the fastest 5G UK network, and while that’s a bold claim, it’s been backed up. They objectively have the best underlying infrastructure for 5G and OOKLA’s speed test results say Three is definitely the fastest 5G UK carrier. However, Opensignal ranks Three as the second-fastest. This means iD Mobile 5G is also the fastest or close to being the fastest. Since 5G data speeds heavily depend on a wide number of factors, testing bodies can only provide estimated numbers.

Per Opensignal, Three’s average 5G download speeds are around 104Mbps, and their 5G upload speeds average around 11.6Mbps. iD Mobile customers get identical 5G data speeds.

WiFi Calling and 4G Calling

4G Calling allows your phone to stay connected to 4G when you’re making or receiving a phone call. It also eliminates many indoor blackspots and improves your voice call quality. Thanks to 4G Calling you can use data at 4G speeds even when you’re on a call.

WiFi Calling allows you to make and receive voice and video calls over a Wi-Fi connection rather than using your regular cellular connection.

iD Mobile’s pay monthly customers can enjoy both 4G Calling and Wi-Fi Calling at no extra cost, provided their device supports these features. The carrier’s PAYG customers, however, can’t enjoy these two benefits.

Personal Hotspot

All iD Mobile SIM only deals allow unrestricted tethering. This means you can turn your handset into a personal hotspot and tether other compatible devices such as laptops, smartphones, etc. to share your mobile data.

There are no limits as iD Mobile’s unlimited plans are truly unlimited, so the tethering will also be unlimited. If you pick any other SIM Only tariff from the carrier, we strongly recommend you check how much data you use after each tethering session.

International Roaming

iD Mobile lets you roam like at home in 50 destinations throughout the EU, EEA, and beyond. The minutes, texts, and data you use simply come out of your remaining monthly allowances in 46 EU and EEA destinations.

The other four destinations are Azerbaijan, Belarus, Kazakhstan, and Macedonia. In these countries, you can only use your remaining inclusive allowances to call or text the UK or the same destination you’re in. There are some other network choices available if you’re regularly roaming abroad, especially outside the EU/EEA zone.


Currys Gift Cards

Some iD Mobile contracts come with a Currys Gift Card worth up to £50! This is a one-time offer, it won’t be renewing monthly. Also, keep in mind that the amount depends on which SIM only deals from iD Mobile you choose.

Data Rollover

All iD Mobile plans come with free Data Rollover. This means any unused monthly data will rollover to the next month, giving you a second chance to use it. Your unused data gets used first.

Bill Capping

This feature is pretty much available on all UK mobile networks, but it still deserves a shoutout as iD Mobile stands out for offering competitive prices.

Bill Capping is a money-saving feature available on all iD Mobile plans. Just choose an out-of-plan spend cap between £0 and £25 when you buy your plan and the carrier won’t charge you more than your cap.

Half Cooked's Overall Breakdown

iD Mobile offers competitively priced, flexible SIM only deals, but the network offers weaker 3G and 4G coverage than almost all the other networks operating in the UK. On the other hand, their 5G service is superior.

They also have a wide variety of handsets to choose from, and their phone deals are usually wallet-friendly.

We give iD Mobile 4 stars out of 5 and strongly recommend it, provided your area is well covered.

Frequently Asked Questions

What network does iD Mobile use?

iD Mobile is owned by Dixon Carphone and powered by Three. You can use Three’s network coverage map to find out if you get decent coverage in your area.

Who owns iD Mobile?

iD Mobile is a wholly owned subsidiary of Dixons Carphone. The network launched on 12 May 2015.

Is SMARTY better than iD Mobile?

Depending on what you need one network could prove better than the other. SMARTY’s prices are better and there are no credit checks, plus you get your money back for your unused data if you’re on a discount plan. iD Mobile customers get 5G coverage on top of everything SMARTY offers, but their more desirable SIM plans require you to sign up for a long-term contract. You can also find a wide variety of phone deals on iD, while SMARTY doesn’t have any phone deals.

Does iD Mobile offer 5G coverage?

Yes, 5G is available for free for all iD Mobile users, including the network’s PAYG customers. All iD Mobile services run on Three’s network.

Does iD Mobile have Wi-Fi Calling?

Yes, iD Mobile pay monthly customers get free access to iD Mobile WiFi Calling. iD Mobile PAYG isn’t included.

Does iD Mobile offer free 4G Calling?

Yes, iD Mobile offers 4G Calling to their customers at no extra cost, but you have to be on a pay monthly contract. PAYG customers can’t benefit from 4G Calling or Wi-Fi Calling.

Can I keep my phone number switching to iD Mobile?

Yes, of course, you can! You should get your PAC Code from your current mobile provider. Once you get it, you can order your iD Mobile SIM and when it arrives you’ll give the code to iD Mobile and they’ll do the rest. It’s really that simple.

Does iD Mobile offer any family plans?

iD Mobile doesn’t offer any family mobile SIM deals. If you’re looking for the best family plans in the UK you should check other networks such as Three, Vodafone and SMARTY.


Half Cooked’s overall rating for iD Mobile
Half Cooked