Is twelvesquid.online affiliated with any UK mobile network?+
No — twelvesquid.online is completely independent. We have no commercial relationship with O2, Three, EE, Vodafone, Tesco Mobile, Sky Mobile, Lebara, iD Mobile, VOXI, Asda Mobile, giffgaff, BT Mobile, or any other operator. Our guidance is free and unbiased.
Who answers when I call your number?+
Our own independent guidance team. We always identify ourselves as twelvesquid.online — never as any network. We have no account access with any mobile operator.
Why is there no pricing on this site?+
Tariffs change constantly and promotions vary. We explain how each plan type works so you know exactly what to check when you contact the network directly.
How do I switch network and keep my number?+
Text PAC to 65075 from your current phone. You'll receive a free code within 60 seconds, valid 30 days. Give it to your new network when signing up. Your number moves across within one working day. Your old contract ends automatically.
Which network has the best 5G?+
EE has the widest 5G coverage (87%+ population). Three has the fastest 5G speeds (most spectrum). O2 has strong 5G Standalone expansion (~70% population). VodafoneThree targeting 99% 5G by 2030.
Does any UK network include free EU roaming?+
Yes. O2 (only major MNO, 25GB), Tesco Mobile (25GB), Lebara (30GB), iD Mobile (30GB). giffgaff and Asda Mobile include 5GB free. EE, Three (basic tiers), Vodafone (standard plans), Sky Mobile and VOXI charge daily.
A Porting Authorisation Code — the key to moving your phone number to a new network. Text PAC to 65075 to get one free, within 60 seconds. Valid for 30 days.
An eSIM is a digital SIM built into your device. No physical card needed — activate by scanning a QR code in about 10 minutes. Supported by all major UK networks on compatible devices (iPhone XS+, Samsung Galaxy S20+, Pixel 3+).
Can networks raise prices mid-contract?+
Yes, most major networks apply annual rises. Since January 2025, the rise must be stated in exact pounds and pence at sign-up. EE and O2: £2.50/month. Three: £1.80–1.90/month. Vodafone: £2.50/month. Tesco, Lebara, iD, Asda: no annual rises.
What is the difference between an MNO and MVNO?+
An MNO (Mobile Network Operator) owns and runs its own mast infrastructure: O2, Three, EE, Vodafone. An MVNO (Mobile Virtual Network Operator) rents capacity from an MNO: Tesco Mobile (O2), giffgaff (O2), iD Mobile (Three), Lebara (Vodafone), VOXI (Vodafone), Sky Mobile (O2), Asda Mobile (Vodafone), BT Mobile (EE).
How do I check signal at my postcode?+
Use Ofcom's checker at checker.ofcom.org.uk for all four networks at once. Or use each network's own coverage checker on their website.
What if my network refuses to give me a PAC code?+
Under Ofcom rules, networks must provide your PAC or STAC code within 60 seconds by text. Refusing is a breach of regulations. Report it at ofcom.org.uk/complaints.
twelvesquid.online (twelvesquid.online) provides independent information about UK mobile networks. We are not affiliated with, endorsed by, or connected to O2, Three, EE, Vodafone, Tesco Mobile, Sky Mobile, Lebara, iD Mobile, VOXI, Asda Mobile, giffgaff, BT Mobile, or any other operator. We do not sell SIM cards, contracts, or devices. No specific pricing is displayed — tariffs change frequently; always verify current prices directly with the network. Calling our number or submitting our form reaches our independent guidance team only, never a network's support line. Network names and brand marks are trademarks of their owners, used solely to identify which network a page covers.