Best Mobiles.co.uk Deals UK (2026): Phone Contracts & SIM-Only Offers

Looking for the best Mobiles.co.uk deals in 2026? Compare top phone contract and SIM-only offers, what to check before buying, and how to get the best value.

Updated: 06 Feb 2026 (Deals change often — always check the live offer pages for the latest pricing.)

Introduction

Mobiles.co.uk is one of the most searched UK mobile retailers for contract deals — especially when people are trying to find a cheaper iPhone or Samsung plan without paying network “direct” prices.

This guide is a simple way to spot the best Mobiles.co.uk deals quickly, understand what matters (upfront cost vs monthly cost), and avoid common mistakes that can make a “cheap” deal expensive later.


Quick Picks: Best Mobiles.co.uk Deals Right Now

If you want the fastest route to the best deals, start here:


How to Spot a “Genuinely Good” Deal (Not Just a Cheap Monthly Price)

A contract can look cheap at £25/month but still be poor value once you add:

  • high upfront cost
  • short-term discounts that end after a few months
  • expensive out-of-bundle charges
  • weak data allowance

The simplest way to compare deals

Use total cost over the contract:

Total cost = (monthly price × contract length) + upfront cost

If two deals have the same phone and data, the one with the lower total cost is usually better.


Best Mobiles.co.uk Phone Contract Deals (2026)

Mobiles.co.uk often has strong pricing on popular devices, especially when network retailers push higher prices.

1) Best iPhone Deals

Best for people who want:

  • a recent iPhone model
  • stable resale value
  • strong performance for 4–5 years

✅ What to check:

  • storage tier (128GB vs 256GB)
  • data allowance (don’t overpay if you use Wi-Fi most days)
  • whether the “discount months” affect total cost
Check iPhone Deals

2) Best Samsung Galaxy Deals

Samsung deals are often most competitive when:

  • a new model launches
  • networks bundle extra data
  • older flagship models drop in price

✅ What to check:

  • 5G coverage in your area
  • whether the plan includes roaming add-ons
  • upgrade options at contract end
Check Samsung Deals

3) Best Google Pixel Deals

Pixel deals can be very strong value if you want:

  • top camera performance
  • clean Android
  • useful AI features

✅ What to check:

  • storage
  • trade-in offers (if you have an older device)
Check Pixel Deals

Best Mobiles.co.uk SIM-Only Deals (2026)

If you already own a phone (or you’re happy to buy one separately), SIM-only is often cheaper long-term.

SIM-only is best if you:

  • don’t need a new phone
  • want lower monthly costs
  • want flexibility (12-month or rolling options)

✅ What to check:

  • is it 12-month or 24-month
  • fair usage rules
  • EU roaming (if it matters to you)
Check SIM Only Deals

Before You Buy: 7 Quick Checks (Avoid Problems Later)

This section increases trust and reduces refunds/returns risk.

  1. Upfront cost: A low monthly price may hide a high upfront charge
  2. Contract length: 24 months usually cheaper monthly but longer commitment
  3. Credit check: Some deals require a network credit check
  4. Delivery time: Check estimated delivery dates if you need it fast
  5. Returns policy: Know your return window
  6. Data needs: Don’t pay for unlimited if you use <30GB/month
  7. Total cost: Always compare full contract cost

Mobiles.co.uk vs Network Direct: Is It Cheaper?

Often, yes — but it depends on promotions.

Mobiles.co.uk can sometimes offer:

  • cheaper monthly pricing
  • discounted months
  • different upfront combinations

But always compare total cost and data allowance — the “best” deal is the one that matches your usage.


Alternatives Worth Checking (If Mobiles.co.uk Doesn’t Have Stock)

Sometimes the best deal is simply the one you can actually buy today.

If your preferred model is out of stock, check:

  • EE deals
  • Vodafone deals
  • O2 deals

Note: We cover network comparisons in our SIM-only and contract guides too.


Related Guides

Add these as internal links to strengthen your site cluster:


FAQs

Is Mobiles.co.uk legit?

Mobiles.co.uk is a long-running UK mobile retailer that sells contract and SIM-only deals through major networks. Always read deal terms and check total cost before ordering.

Are Mobiles.co.uk deals cheaper than buying direct?

They can be, especially when discounts are applied for the first few months. Compare the total cost over the contract.

Can I keep my number if I buy from Mobiles.co.uk?

In most cases, yes — you can usually request a PAC code and transfer your number when your new SIM activates.

Should I choose SIM-only or a phone contract?

SIM-only is often cheaper if you already have a phone. A contract makes sense if you want a new device spread across monthly payments.

Do Mobiles.co.uk deals include a credit check?

Most contract deals require a network credit check. SIM-only deals may still require checks depending on the network and plan.

How quickly do Mobiles.co.uk SIM-only deals activate?

Many SIM-only deals activate within 1–2 working days, but it can vary by network and delivery time.


Conclusion

Mobiles.co.uk can be a strong option for finding discounted phone contracts and SIM-only plans — especially if you compare total cost and don’t overpay for data you don’t need.

If you want the quickest option, use the quick picks section above and check the latest live deals.

Check Mobile.co.uk Deals

This site contains affiliate links to products. We may receive a commission for purchases made through these links.