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Mozillion

Mozillion Review

Mozillion is a UK-based mobile virtual network operator (MVNO) that sells phone contracts and SIM-only plans on the EE network. Based in Brighton, the...

4.0/5
MVNO / Online Retailer
Free Delivery
6,257
Total deals
40
Phones available
£0.04/mo
Cheapest contract
£95
Cheapest SIM free

Mozillion Voucher Codes & Offers (2)

£5 off

£5 off any Samsung phone at Mozillion

See details

Take £5 off any Samsung phone at Mozillion, code valid on pay monthly phone contracts and SIM free phones.

Terms: Valid on SIM free phones and pay monthly phone contracts.

SAMSUNG5
Use offer

Ends 31 Aug 2026

£5 off

£5 off any Apple iPhone at Mozillion

See details

Take £5 off any iPhone with code APPLE5. Available on phone contracts and SIM Free phones.

Terms: Valid on phone contracts and SIM free phones.

APPLE5
Use offer

Ends 31 Aug 2026

Pros & cons

Pros

  • Fixed pricing with no mid-contract price rises, giving customers certainty over the full contract term
  • Runs on the EE network with uncapped 5G speeds and 99% UK population coverage
  • Free EU roaming included across 41 countries on all plans
  • No credit check required for SIM-only plans, with flexible 1-month rolling contracts available

Cons

  • Limited to the EE network only, so customers in areas with poor EE coverage will need to look elsewhere
  • Relatively new brand compared to long-established competitors like Fonehouse or Mobiles.co.uk
  • Some customer reports of slow response times from customer service during busy periods

Overview

Mozillion is a UK-based mobile virtual network operator (MVNO) that sells phone contracts and SIM-only plans on the EE network. Based in Brighton, the company was founded by a team with over 75 years of combined experience in mobile retail and telecommunications.

As an accredited MVNO on EE's infrastructure, Mozillion offers uncapped 5G speeds and coverage reaching 99% of the UK population. The single-network approach allows the company to negotiate competitive pricing that often undercuts going direct to EE.

Mozillion differentiates itself through fixed pricing with no mid-contract price rises, free EU roaming across 41 countries, and a SIM-only range that requires no credit check. The company sells new handsets on contract from Apple, Samsung, Google, and other brands, with financing available through Affirm. Customer service is handled by a UK-based team, and the company is authorised and regulated by the Financial Conduct Authority.

Delivery

Free
Delivery
Yes
Next Day

Mozillion offers free delivery on orders, with SIM cards typically arriving next day. Customers frequently report fast SIM dispatch and smooth number porting processes.

Cashback & Offers

Mozillion does not offer traditional cashback deals. Instead, the company focuses on competitive upfront pricing and fixed monthly costs with no mid-contract price increases.

Our Verdict

Mozillion offers a compelling proposition for customers who want access to the EE network at competitive prices. The fixed pricing guarantee is a genuine differentiator in a market where most providers increase prices annually, and the inclusion of free EU roaming and uncapped 5G adds real value to every plan.

The main limitation is network choice. As an EE-only MVNO, customers who need Vodafone, Three, or O2 coverage will need to look elsewhere. However, for those in areas with good EE coverage, Mozillion consistently offers deals that undercut going direct to EE, particularly on SIM-only plans where no credit check is required.

With a Trustpilot rating of 4.2 out of 5 from nearly 5,800 reviews and FCA authorisation, Mozillion is a legitimate and trustworthy option. If EE suits your coverage needs and you value price certainty, Mozillion is well worth considering.

Quick Specs

Type MVNO / Online Retailer
Trustpilot 4.2/5
Delivery Free (Next Day Available)

Latest Mozillion Deals

Compare the best mobile phones available from Mozillion.

Apple iPhone 17 Pro Max deals
Spec breakdown · average of 4 categories
Performance
98%
Display
91%
Camera
89%
Battery
84%
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Expert reviews · 6 sources
Contracts £46 avg/m
Upgrades £52 avg/m
SIM Free £994
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Apple iPhone 17 Pro deals
Spec breakdown · average of 4 categories
Performance
98%
Display
87%
Camera
89%
Battery
77%
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Expert reviews · 7 sources
Contracts £42 avg/m
Upgrades £47 avg/m
SIM Free £930
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Apple iPhone 17 deals
Spec breakdown · average of 4 categories
Performance
95%
Display
87%
Camera
57%
Battery
71%
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Contracts £32 avg/m
Upgrades £39 avg/m
SIM Free £636
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Samsung Galaxy S26 Ultra deals
Spec breakdown · average of 4 categories
Performance
100%
Display
92%
Camera
90%
Battery
67%
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Upgrades £39 avg/m
SIM Free £800
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Samsung Galaxy S26+ deals
Spec breakdown · average of 4 categories
Performance
100%
Display
92%
Camera
77%
Battery
66%
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Upgrades £38 avg/m
SIM Free £699
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Samsung Galaxy S26 deals
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Performance
100%
Display
84%
Camera
77%
Battery
66%
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Contracts £26 avg/m
Upgrades £33 avg/m
SIM Free £550
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Apple iPhone Air deals
Spec breakdown · average of 4 categories
Performance
98%
Display
89%
Camera
54%
Battery
58%
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Contracts £32 avg/m
Upgrades £38 avg/m
SIM Free £640
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Apple iPhone 16 deals
Spec breakdown · average of 4 categories
Performance
93%
Display
71%
Camera
54%
Battery
69%
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Expert reviews · 5 sources
Contracts £26 avg/m
Upgrades £32 avg/m
SIM Free £462
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Spec breakdown · average of 4 categories
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95%
Display
54%
Camera
44%
Battery
78%
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Upgrades £30 avg/m
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Apple iPhone 15 deals
Spec breakdown · average of 4 categories
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85%
Display
62%
Camera
50%
Battery
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Samsung Galaxy Z Fold7 deals
Spec breakdown · average of 4 categories
Performance
98%
Display
92%
Camera
79%
Battery
52%
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SIM Free £849
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Samsung Galaxy S25 deals
Spec breakdown · average of 4 categories
Performance
98%
Display
84%
Camera
73%
Battery
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Performance
93%
Display
86%
Camera
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Battery
57%
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Upgrades £36 avg/m
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Samsung Galaxy A57 deals
Spec breakdown · average of 4 categories
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70%
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55%
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Upgrades £23 avg/m
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Samsung Galaxy A37 deals
Spec breakdown · average of 4 categories
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47%
Display
67%
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53%
Battery
48%
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Contracts £16 avg/m
Upgrades £21 avg/m
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Google Pixel 10 deals
Spec breakdown · average of 4 categories
Performance
85%
Display
79%
Camera
74%
Battery
69%
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Expert reviews · 3 sources
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Upgrades £23 avg/m
SIM Free £420
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Samsung Galaxy S25 FE deals
Spec breakdown · average of 4 categories
Performance
86%
Display
80%
Camera
74%
Battery
66%
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Upgrades £25 avg/m
SIM Free £299
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Spec breakdown · average of 4 categories
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85%
Display
98%
Camera
90%
Battery
65%
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Upgrades £34 avg/m
SIM Free £610
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Apple iPhone 16e deals
Spec breakdown · average of 4 categories
Performance
93%
Display
54%
Camera
41%
Battery
78%
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Contracts £23 avg/m
Upgrades £26 avg/m
SIM Free £385
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Google Pixel 10 Pro deals
Spec breakdown · average of 4 categories
Performance
85%
Display
95%
Camera
90%
Battery
65%
See full spec comparison →
Expert reviews · 4 sources
Contracts £25 avg/m
Upgrades £28 avg/m
SIM Free £549
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Apple iPhone 16 Plus deals
Spec breakdown · average of 4 categories
Performance
93%
Display
75%
Camera
54%
Battery
84%
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Contracts £32 avg/m
Upgrades £42 avg/m
SIM Free £560
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Samsung Galaxy S25 Edge deals
Spec breakdown · average of 4 categories
Performance
98%
Display
84%
Camera
63%
Battery
53%
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Expert reviews · 6 sources
Contracts £20 avg/m
Upgrades £41 avg/m
SIM Free £399
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Samsung Galaxy A17 deals
Spec breakdown · average of 4 categories
Performance
36%
Display
55%
Camera
36%
Battery
48%
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Expert reviews · 3 sources
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Upgrades £11 avg/m
SIM Free £118
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Samsung Galaxy S25 Ultra deals
Spec breakdown · average of 4 categories
Performance
98%
Display
92%
Camera
86%
Battery
67%
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Contracts £35 avg/m
Upgrades £39 avg/m
SIM Free £549
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