9 min read · checked 5 August 2026
SIM networks, MVNOs, eSIM and coverage without the jargon
A smaller SIM brand can use the same underlying network as a famous one, but coverage, features, limits and support all need checking.
Read guideGuides / the useful version first
The awkward bits, translated.
These guides exist to answer a buying question—not to manufacture hundreds of search pages. Every one shows its sources and last-checked date.
7 min read · checked 18 July 2026
Is it cheaper to buy a phone and SIM separately?
Buying your phone and SIM separately is often cheaper and gives you more freedom, but compare the guaranteed total cost and the features you will actually use.
Read guide6 min read · checked 18 July 2026
Phone and SIM price rises: work out what you will really pay
New contracts cannot use inflation-linked or percentage rises, but fixed pounds-and-pence increases are still allowed and can materially change the total.
Read guide7 min read · checked 18 July 2026
Phone software support: the value hidden behind the price
A cheap phone can be poor value if support is nearly over. Check the model-specific end date, battery evidence and repair route before buying.
Read guide8 min read · checked 18 July 2026
Trade-in and cashback deals: check the real price before buying
A reward that needs an old phone, a later claim or perfect tracking is not guaranteed money. Show the normal price first and the best case separately.
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