Independent · Marked · Plain English

UK networks, marked like exam papers.

Four full network reports, one league table, and marking schemes for every decision in UK mobile — deals, switching, roaming, faults and scams. Independent, price-free, plain English.

A+
Independence note: askotto is an independent consumer-information and consultancy publisher. We are not a mobile network, and we are not owned by, partnered with, or endorsed by Three, O2, Sky Mobile, EE, Vodafone or any provider named in these reports. Everything here is general guidance, marked and written by our own reviewers; confirm current details with the network before acting. Our phone and WhatsApp lines reach askotto consultants only — never a network's own customer service.

The reports

Report 1

Three network review

Nine criteria: 5G pace, cheapest unlimited, indoor weakness, merger era.

Report 2

O2 network review

EU roaming kept, split contracts, the evening squeeze, Priority.

Report 3

Sky Mobile review

The data reserve, monthly resizing, rented O2 signal.

Report 4

EE network review

Broadest coverage, 5G+ lead, premium pricing, BT bundles.

Combined report

Budget brands review

Tesco, giffgaff, SMARTY, iD, VOXI, Lebara, 1pMobile — and their landlords.

Summary sheet

The league table

All four networks graded side by side with one-line verdicts.

Deals — the marking schemes

Method

Phone deals

The total-cost test that marks any handset offer honestly.

Timing

iPhone deals

The September mechanism and the outgoing-model window.

Timing

Samsung deals

Three Galaxy shelves, three calendars, one test.

Method

SIM-only deals

Four plan shapes, the sizing test, the yearly re-shop.

Method

eSIM setup & travel

Issue, transfer, dual-SIM pairing — and the fake fees to refuse.

Method

Delivery & upfront

Next-day rules, the see-saw, and the returns-window stress test.

Consumer advice

Advice

Switching network

PAC to 65075, STAC to 75075, and what networks cannot do.

Advice

Coverage checks

Two checkers, indoor weighting, the trial-month audition.

Advice

Signal problems

The six-step fix order — and the faults that aren't yours.

Advice

Roaming charges

Who kept EU roaming, ceilings, and the pre-flight five.

Advice

Data & unlimited

The sizing test and where unlimited bends.

Advice

Network apps

What each app runs, and the five-second fraud check.

Advice

Outages & glitches

Five failure patterns and the compensation route.

Advice

Complaints ladder

Written complaint → eight weeks → free binding ombudsman.

Advice

Scam defence

The current catalogue and the habits that kill it.

Advice

Jargon decoder

Every small-print term in plain English.

How askotto marks
Independence note: askotto is an independent consumer-information and consultancy publisher. We are not a mobile network, and we are not owned by, partnered with, or endorsed by Three, O2, Sky Mobile, EE, Vodafone or any provider named in these reports. Everything here is general guidance, marked and written by our own reviewers; confirm current details with the network before acting. Our phone and WhatsApp lines reach askotto consultants only — never a network's own customer service.
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