The source ledger

Read the live details alongside the explanation

Research reviewed on 26 October 2026. These links are official information sources, without referral tracking. Conditions and personal eligibility can change after review.

• Ofcom mobile switching
• Ofcom coverage tool
• Ofcom scheduled changes

Three

• Three official information
• eSIM guidance
• Number switching

O2

• O2 official information
• O2 eSIM
• Bill explanation

EE

• EE official information
• EE PAYG
• Digital SIM help

Vodafone

• Vodafone official information
• PAYG Plus explained
• eSIM information

Sky Mobile

• Sky Mobile official information
• Launch background
• Sky eSIM

Tesco Mobile

• Tesco Mobile official information
• Tesco history
• Tesco eSIM

giffgaff

• giffgaff official information
• giffgaff eSIM

SMARTY

• SMARTY official information
• SMARTY eSIM

iD Mobile

• iD Mobile official information
• iD roaming
• Data rollover

VOXI

• VOXI official information
• VOXI eSIM
• VOXI features

Lebara

• Lebara official information
• Lebara eSIM

Lyca Mobile

• Lyca Mobile official information
• Lyca eSIM
• Number transfer

Talkmobile

• Talkmobile official information
• Talkmobile digital SIM and network

Asda mobile

• Asda mobile official information
• Asda current service information

BT Mobile

• BT Mobile official information
• BT mobile background

TalkTalk

• TalkTalk official information
• Mobile support area

1pMobile

• 1pMobile official information
• 1pMobile eSIM help

spusu

• spusu official information
• UK host context