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📡 SIM Card Services · Hampstead

SIM Card Services
Fast, Simple & Hassle-Free

From unlocking your phone to setting up an eSIM or replacing a damaged SIM — we've got you sorted. Give us a call and we'll take care of the rest.

All Networks UK & International
Same Day Most Services In-Store
eSIM Setup & Activation
Unlocking All Makes & Models
Our Services

Everything SIM — Under One Roof

Whether it's a quick SIM swap or a full network unlock, we handle it all in-store with no fuss.

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Phone Unlocking

Locked to a network? We unlock all major makes and models so you're free to use any SIM card — UK or international. Quick, safe, and permanent.

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SIM Card Replacement

Lost, damaged, or deactivated SIM? We'll get you a replacement and have you back online fast — including nano, micro, and standard SIM sizes.

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eSIM Setup & Activation

New to eSIM or struggling to activate one? We set it up for you in-store — compatible with iPhone, Samsung, Google Pixel, and more.

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International & Travel SIMs

Heading abroad? We can advise on and supply international SIM cards so you stay connected without paying roaming charges.

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Network Switching Advice

Not happy with your current network? We'll help you find the right SIM-only deal and walk you through switching without losing your number.

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SIM Tray Repair

SIM tray broken, stuck, or not reading your card? We repair or replace SIM trays on all phone models quickly and affordably.

Most Popular

Unlocking & eSIM in Detail

Two of our most requested SIM services — here's exactly what's involved.

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Phone Unlocking

Permanently unlock your phone from any UK or international network — legally and safely.

  • Works with all major networks — EE, O2, Vodafone, Three & more
  • Permanent unlock — not a temporary workaround
  • Safe process — no risk to your phone or data
  • Compatible with iPhone, Samsung, Google & all other brands
  • Use any SIM card, anywhere in the world after unlocking
📞 Call Now
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eSIM Setup

Skip the physical SIM card entirely — we set up your eSIM quickly and correctly in-store.

  • Compatible with iPhone XS and newer, Samsung, Google Pixel & more
  • Keep your existing number or set up a new one
  • Great for travellers — add a second number without a physical SIM
  • We handle the full activation process for you
  • Works with all major UK networks that support eSIM
📞 Call Now
Networks We Work With

All Major UK Networks & More

Don't see your network? Come in anyway — we cover far more than what's listed here.

EE O2 Vodafone Three Sky Mobile iD Mobile Tesco Mobile Virgin Mobile Lebara Lyca Mobile giffgaff International Networks
Simple Process

How It Works

Getting your SIM sorted with us takes just a few simple steps.

1

Call Us

Give us a call and tell us what you need — unlocking, eSIM, SIM replacement, or something else.

2

We Advise You

Our team reviews your request and confirms what's needed and how long it'll take.

3

Visit Us In-Store

Come into 47 Hampstead High St and we'll get it sorted — most services done same day.

4

You're Connected

Walk out with a fully working SIM setup and the network freedom you need.

Why Hampstead Tech

You're in Safe Hands

We've built our reputation on honest advice and getting things done right the first time.

Same-Day Service

Most SIM services are completed the same day — no lengthy waits or booking weeks in advance.

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Permanent Unlocking

We use official unlocking methods only — your phone stays unlocked permanently, not just temporarily.

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Easy to Get Started

Just give us a call and we'll handle the rest — no technical knowledge needed on your end.

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Honest Advice

Not sure what you need? We'll explain your options clearly and help you make the right decision.

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UK & International

Whether you need a local SIM or something for travelling abroad, we've got the right solution for you.

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Local & Trusted

Based right on Hampstead High Street — walk in anytime during opening hours, no appointment needed.

Questions

Frequently Asked Questions

Everything you need to know about our SIM card services.

How do I get started?
Simply give us a call on +44 20 7916 1242, let us know what service you need, and we'll advise you on next steps. All services are then carried out in-store at 47 Hampstead High St.
Is phone unlocking legal?
Yes — phone unlocking is completely legal in the UK. Since 2014 it has been legal for consumers to unlock their own phones. We only use official, approved unlocking methods.
Will unlocking my phone void the warranty?
In most cases, no — official network unlocking does not void your manufacturer warranty. We'll advise you on your specific device before proceeding.
What do I need to bring for an unlock?
Bring your phone and proof that you own it (such as your original purchase receipt or account details). We'll check the IMEI and take it from there.
Does my phone support eSIM?
Most modern smartphones support eSIM — including iPhone XS and newer, Samsung Galaxy S20 and newer, and Google Pixel 3 and newer. Not sure? Call us on +44 20 7916 1242 and we'll confirm for you.
Can I keep my existing number when switching networks?
Yes — you can keep your existing number by requesting a PAC code from your current network. We can walk you through the whole process in-store so nothing gets missed.
How long does unlocking take?
It depends on the network and device, but most unlocks are completed the same day or within 24 hours. We'll give you an accurate time estimate after reviewing your request.

Need a SIM Service? Call Us Now.

Give us a call and we'll get you sorted — most services are done the same day in-store.

📞 Call Now — +44 20 7916 1242

47 Hampstead High St, NW3 1QG  ·  Mon–Fri: 8am–7pm  ·  Sat: 9am–6pm  ·  Sun: 11am–5pm