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5 reasons you'll wish you got a backup eSIM sooner

Join 100,000+ people staying connected at home and abroad. 500+ apps across every UK network, and in 180+ countries. From £3.75/month.

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Stay connected to 500+ essential apps wherever you go

Your SIM + Smart SIMYour main SIM
📶Every UK network
🌍Free roaming in 180+ countries
♾️Unlimited data for 500+ apps
💷One flat fee, no roaming charges
🧘Peace of mind
1

Unbeatable signal across EE, O2, Three and Vodafone

Say goodbye to losing signal when you need it most. When your main SIM drops out, switch to Smart SIM in a few taps to keep WhatsApp, Maps and hundreds more essential apps running on another available network.

So you stay connected, whether you're on the commute, in the city or deep in the countryside.

Your main SIM on one network vs Main SIM + Smart SIM on EE, O2, Three and Vodafone
2

Free global roaming on essential apps

Ciao adios, patchy hotel wifi, expensive roaming fees and pesky data caps.

From Spain to South Africa, Italy to India, Smart SIM keeps you connected to essential apps including WhatsApp, Google Maps and Booking.com from the moment you land. All from just £3.75/month.

Smart SIM connected in USA, Spain, India, Turkey and many more
3

From just £3.75/month with no hidden fees

One flat fee, no catches. Choose between £10/month or £45/year (that's just £3.75/month) for total peace of mind that you'll stay connected when it matters most.

Your main SIM with roaming charges vs Main SIM + Smart SIM with no roaming charges
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Trusted by 100,000+ happy customers

Here's what they have to say about Smart SIM.

Trustpilot 5 stars

I was sceptical but...

“I decided to take a chance and get a Smart SIM. My experience so far has been great. I’ve had no loss of signal and used different networks due to the SIM working its magic. 5 stars from me.”
Thomas Berry|TrustpilotVerified
Trustpilot 5 stars

A genuine upgrade

“I’ve struggled for years with dead spots and unreliable eSIMs, but Honest Mobile has been a total revelation. Local and international coverage just works.”
Steve Dunn|TrustpilotVerified
5 stars

Worked in 8 Caribbean islands

“Smart SIM worked perfectly in every one, even in the Dominican rainforest.”
Simon Fisk|FacebookVerified
Trustpilot 5 stars

Seamless and just works

“I used to spend a fortune in roaming fees and travel eSIMs. Now I don’t think about staying connected when I’m abroad. Smart SIM is seamless and just works. Brilliant.”
Ade T|TrustpilotVerified
5 stars

Like wifi at home

“I got my Smart SIM, easily set it up and I can’t believe how good it is. It’s like I’m on wifi at home. Everything loading. For £45 it’s a no brainer.”
ob1wales|InstagramVerified
5 stars

An absolute life saver

“Great when signal drops out and an absolute life saver when in Australia last year.”
mko.mcguckin|InstagramVerified
5

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Stay connected, at home and abroad

Backup signal across EE, O2, Three and Vodafone in the UK, plus free roaming in 180+ countries.

Connected in Turkey, Japan, UK, USA, India and 180+ countries
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Essential apps on every UK network, plus hundreds more worldwide

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5 Reasons You'll Wish You Got a Backup eSIM Sooner | Honest Mobile