Best and Worst UK Mobile Networks in 2024: Could You Be Getting a Better Deal?

Choosing the right mobile network in the UK can be overwhelming. With so many options available, it’s easy to wonder: Am I paying too much for my SIM plan? Could I be getting better coverage or customer service elsewhere? Whether you're after the fastest 5G speeds, the best coverage, or just a good deal on data, knowing which mobile networks offer the best value is essential.

In this comprehensive review, we’ll explore the best and worst mobile networks in the UK, focusing on key factors like coverage, customer service, pricing, and perks. By the end, you’ll have a clear understanding of which networks are worth considering—and which ones you may want to avoid.

Understanding UK Mobile Networks
The Best Mobile Networks in the UK
- EE
- Vodafone
- Three
- O2
- Giffgaff
- Sky Mobile
- Tesco Mobile
The Worst Mobile Networks in the UK
- Talkmobile
- Virgin Mobile
- Plusnet Mobile
- Lycamobile
Key Factors to Consider When Choosing a Network
- Coverage
- Speed
- Customer Service
- Price
- Extra Benefits
The Verdict: Which Network is Right for You?

1. Understanding UK Mobile Networks

Before diving into the best and worst mobile networks, it’s important to understand how the UK’s mobile infrastructure works. There are four major mobile network operators (MNOs) in the UK:

EE
Vodafone
Three
O2

These MNOs own and operate their own network infrastructure, including masts and antennas. However, there are also many Mobile Virtual Network Operators (MVNOs) that piggyback on these networks to offer their services. MVNOs such as Giffgaff, Sky Mobile, and Tesco Mobile use the infrastructure of the "Big Four" but often offer cheaper or more flexible plans.

Whether you're on an MNO or MVNO, the quality of service can vary based on coverage, pricing, customer support, and added perks.

2. The Best Mobile Networks in the UK

When evaluating the best mobile networks, we’re looking at factors like network reliability, speed, customer satisfaction, and value for money. Here are the top contenders:

EE: Best for Coverage and Speed

Network: EE
Pros:

Fastest 5G and 4G speeds in the UK
Widest network coverage (99% of the UK population)
Excellent for rural and suburban areas
Range of data bundles and plans

Cons:

Generally more expensive than other networks
Data plans can be restrictive for heavy users

EE consistently tops the rankings for coverage and speed. It’s the go-to network if you live in a rural area or need fast internet on the go. EE also excels in terms of 5G availability, making it a popular choice for people who need reliable data for streaming, gaming, or working remotely.

Plans and Pricing: EE's plans tend to be on the pricier side, but the premium is justified by its top-notch service. The network offers a variety of plans, from low-data bundles for light users to unlimited data packages for those who need more flexibility.

Vodafone: Great for International Travel

Network: Vodafone
Pros:

Strong global roaming options
Competitive 5G performance
Bundled entertainment subscriptions (Spotify, YouTube Premium)

Cons:

Customer service can be hit or miss
Network coverage isn’t as extensive as EE in rural areas

Vodafone is a solid choice for frequent travelers, thanks to its extensive global roaming options. The network also offers some enticing perks, such as the option to bundle entertainment subscriptions with your plan. In terms of 5G coverage and speeds, Vodafone performs well, although not quite at the level of EE.

Plans and Pricing: Vodafone’s pricing is competitive, particularly if you take advantage of the entertainment bundles. However, customer reviews often mention inconsistent customer service, which could be a deal-breaker for some users.

Three: Best for Unlimited Data

Network: Three
Pros:

Best value for unlimited data
Free roaming in many international destinations
Competitive pricing

Cons:

Poor rural coverage
Slower 4G speeds compared to EE and Vodafone

Three is known for offering some of the best deals on unlimited data, making it the perfect choice for heavy internet users. The network’s plans are reasonably priced, and it frequently offers deals that include international roaming. However, Three’s biggest drawback is its weaker coverage in rural areas, which may be a problem for those living outside major cities.

Plans and Pricing: Three is one of the most affordable major networks, particularly for users who need a lot of data. If you live in an urban area, where coverage is stronger, it’s a great budget-friendly option.

O2: Best for Customer Service

Network: O2
Pros:

Highly rated for customer service
Free O2 Priority perks (early access to concert tickets, exclusive offers)
Reliable 4G coverage

Cons:

5G coverage still expanding
Not the fastest network

O2 is a customer favorite, particularly when it comes to customer service. O2 users benefit from access to O2 Priority, which offers exclusive deals, early access to events, and discounts at various retailers. While O2’s 5G network is still being rolled out, its 4G coverage is reliable in most areas of the UK.

Plans and Pricing: O2’s plans are mid-range in terms of pricing, and the perks of O2 Priority add extra value. If customer service is a top priority for you, O2 is a strong contender.

Giffgaff: Best for Flexible Plans

Network: O2 (MVNO)
Pros:

Flexible, no-contract SIM-only plans
Affordable prices
Strong customer community

Cons:

Limited customer service (no phone support)
Slower speeds compared to major MNOs

Giffgaff operates on O2’s network, offering flexible, no-contract plans that can be changed or canceled at any time. It’s perfect for people who want complete control over their spending. Giffgaff’s pricing is among the lowest in the market, although this comes with trade-offs in terms of speed and customer support (only available via online community).

Plans and Pricing: Giffgaff’s "goodybags" are some of the most flexible plans available, offering a wide range of data options at low prices. If you don’t need premium customer service, Giffgaff is an excellent budget option.

Sky Mobile: Best for Data Rollovers

Network: O2 (MVNO)
Pros:

Data rollover (unused data rolls over to next month)
Free streaming of Sky TV content without using data
Affordable family plans

Cons:

No unlimited data option
Limited 5G coverage

Sky Mobile offers a unique feature that allows users to roll over unused data to the next month, which can be a major money-saver for light data users. Additionally, Sky customers can stream Sky TV content without using their data allowance, making it a great choice for Sky subscribers.

Plans and Pricing: Sky Mobile’s plans are affordably priced, especially for families. However, the lack of unlimited data and limited 5G availability may be drawbacks for heavy data users.

Tesco Mobile: Best for Families

Network: O2 (MVNO)
Pros:

Excellent family plans with discounts for multiple lines
Strong customer service ratings
Affordable pricing

Cons:

Slower data speeds than other networks
Limited extra features

Tesco Mobile is another MVNO using O2’s network. It’s particularly well-suited for families, thanks to its multi-line discounts and affordable pricing. While Tesco Mobile doesn’t offer many extras, it scores highly for customer service and offers a reliable, no-frills service.

Plans and Pricing: Tesco Mobile’s family plans offer some of the best value on the market, with discounts available for multiple lines. It’s an excellent choice for families looking to keep costs low.

3. The Worst Mobile Networks in the UK

Not all mobile networks in the UK are created equal. Some struggle with coverage, customer service, or hidden fees, making them less desirable options. Here are some of the worst-rated networks based on user feedback.

Talkmobile: Poor Customer Service

Network: Vodafone (MVNO)
Cons:

Frequent customer service complaints
Lack of transparency on fees
Limited plan options

Talkmobile is an MVNO operating on Vodafone’s network, but it consistently receives poor reviews for customer service. Users frequently report issues with billing, lack of transparency, and difficulty resolving issues. While Talkmobile offers low-cost plans, the frustration may not be worth the savings.

Virgin Mobile: Unreliable Coverage

Network: O2 (MVNO)
Cons:

Poor network reliability
Customer service issues
Increasingly uncompetitive pricing

Virgin Mobile has faced criticism for its unreliable network coverage and subpar customer service. While it used to be a strong contender for budget-conscious users, its pricing is no longer as competitive, and many customers report poor connectivity, particularly in rural areas.

Plusnet Mobile: Inconsistent Performance

Network: EE (MVNO)
Cons:

Slower speeds compared to EE directly
Poor customer support

Plusnet Mobile operates on EE’s network, but it doesn’t offer the same level of service. Speeds are often slower, and customer support has been criticized for being unhelpful. While it offers some low-cost plans, the trade-off in performance and support makes it a less appealing option.

Lycamobile: Hidden Fees

Network: O2 (MVNO)
Cons:

Complaints about hidden fees and charges
Poor customer service
Limited plan options

Lycamobile, known for its international calling packages, often receives negative reviews due to hidden fees and unclear billing practices. While it can be a good option for international calls, the overall customer experience leaves much to be desired.

4. Key Factors to Consider When Choosing a Network

When deciding which mobile network is right for you, it’s important to consider several key factors:

Coverage

Coverage is the most important consideration, especially if you live in a rural area. While EE offers the widest coverage, other networks like O2 and Vodafone also provide reliable service in most parts of the UK. If you travel a lot, check which networks provide the best international roaming options.

Speed

If fast mobile internet is crucial, EE is the best option, particularly for 5G. However, Vodafone and Three also offer competitive speeds, especially in urban areas.

Customer Service

Customer service can make or break your experience with a mobile network. O2 and Tesco Mobile consistently rank highly for customer support, while Talkmobile and Lycamobile tend to receive poor reviews.

Price

If budget is your top priority, consider MVNOs like Giffgaff or Tesco Mobile, which offer low-cost plans. However, be prepared for slower speeds or fewer perks compared to the major MNOs.

Extra Benefits

Some networks offer perks like data rollovers, entertainment bundles, or international roaming. O2’s Priority program, for example, gives customers access to exclusive deals and early access to events, while Sky Mobile offers free streaming of Sky TV content.

5. The Verdict: Which Network is Right for You?

Ultimately, the best mobile network for you depends on your individual needs:

For Best Coverage and Speed: EE
For International Travel: Vodafone
For Unlimited Data on a Budget: Three
For Excellent Customer Service and Perks: O2
For Flexibility and Low-Cost Plans: Giffgaff
For Family Plans: Tesco Mobile

If you’re currently unhappy with your mobile network—whether due to poor customer service, slow speeds, or high prices—switching to one of the better-rated networks could improve your experience and save you money. Always compare your options carefully, and make sure to check coverage maps to ensure you’ll get good service in your area.

Switching mobile networks is easier than ever, and with plenty of SIM-only deals available, there’s never been a better time to find a plan that suits your needs.

Here are the websites for the major mobile networks mentioned in the review, where you can explore their plans and services to find the one that best suits your needs:

These websites offer detailed information on SIM-only deals, coverage, pricing, and more. Be sure to compare their offerings based on your usage needs (data, calls, texts) and location for the best results.