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Mobile Operator Giffgaff Expands UK eSIM Support to Website UPDATE

Friday, Nov 21st, 2025 (3:06 pm) - Score 4,280
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Consumer mobile provider giffgaff, which is a virtual mobile operator (MVNO) on O2’s national 4G / 5G network that is also owned by Telefónica UK, has this afternoon expanded the availability of their eSIM (Embedded SIM) support, making it easier for all customers – both new and existing subscribers alike – to access.

Just to recap. The eSIM standard is an alternative to physical SIM cards, which works by essentially embedding a digital SIM into your device (Smartphone) that could – once fully implemented – make it easier and quicker to switch between operators (e.g. not having to wait for a SIM card to arrive), as well as to use additional networks alongside your main mobile plan (e.g. eSIMs for travel when abroad).

Regular readers might recall that giffgaff originally began introducing eSIM support back in 2023 (here), although this was initially only made available to existing customers and on certain devices. After that it was made available to new customers too, but you can now access all of this fully via their website.

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Giffgaff Announcement

We’ve got some exciting news to share with you all today in the world of eSIM. Just like with our app, we’ve rolled out the option of getting connected with an eSIM to all members when using our website, making it easier than ever to get hold of an eSIM.

Whether you’re on Android or Apple, when you select your SIM-only mobile plan, you’ll be asked if you want to proceed with a physical SIM card or an eSIM and get connected in minutes! When starting the eSIM installation process in the app, there will be a handy self-help video coming next week to guide you through the set-up process.

Setting yourself up with an eSIM is easy as pie, too.

If you’re already a member, all you need to do is:

  • Log into the giffgaff app
  • Head over to Account > SIM > Replace my SIM > Switch to a new eSIM
  • Follow the on-screen instructions, and voila!

If you’re a new member:

  • You can start your journey on the web, or log into the giffgaff app, to create a new account
  • Activate your eSIM from the app dashboard
  • Follow the on-screen instructions, nice and easy

Let us know how you get on.

As usual, you’ll first need to double-check that your mobile phone is actually eSIM compatible. The easiest way to do this is by dialling *#06# into your keypad. If you then see a pop-up that includes an EID number on the screen, your device should be compatible. Credits to Kane for spotting the development.

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Mark-Jackson
By Mark Jackson
Mark is a professional technology writer, IT consultant and computer engineer from Dorset (England), he also founded ISPreview in 1999 and enjoys analysing the latest telecoms and broadband developments. Find me on X (Twitter), Mastodon, Facebook, BlueSky, Threads.net and .
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Comments
4 Responses

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  1. Avatar photo NoToO2 says:

    o2 can’t be far behind?

  2. Avatar photo John Smith says:

    Hey Mark, you seem to have misunderstood the giffgaff eSIM announcement as eSIMs from giffgaff have been available for both existing and new customers since shortly after the original eSIM launch.

    giffgaff launched eSIM for existing users in October 2023 https://community.giffgaff.com/d/33915947-esims-now-live and followed with eSIM for new customers in three months later in January 2024 https://community.giffgaff.com/d/33915947-esims-now-live/353

    However up to now users have had to use the giffgaff app to get an eSIM and this new announcement is specifically about new customers being able to now use the giffgaff website to get an eSIM.

    However this new announcement does not mean giffgaff ‘Expands UK eSIM Support to All Mobile Customers’ as there is no option on the website for existing giffgaff users to switch from SIM to eSIM, or switch an eSIM to another device; they still have to use the giffgaff app.

    giffgaff never like to make life simple, even for professional technology writers.

  3. Avatar photo Simon says:

    Yeh beware, Giffgaff are an awful company. I bought a new Google pixel, and the device transfer wiped my e-sim, deleting it from my old phone, and not installing it on my new. Apparently a known issue with Giffgaffs implementation.

    Gifgaf support wanted to authenticate my account using my missing e-sim, which was clearly not possible. Support just shrugged and admitted there was no way to get my account or my credit back.

  4. Avatar photo Jack says:

    I registered as new user but still can’t find the option to ask for a new PAYG e-sim.

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