
Mobile Networks
Use this section to check coverage, understand calling features, switch network safely and diagnose signal or data problems withou…
Explore topicBrowse published guidance on UK networks, phones, SIMs, eSIMs, security, travel and used devices. Scheduled material remains private until its release time.

Use this section to check coverage, understand calling features, switch network safely and diagnose signal or data problems withou…
Explore topic
Use this section to move data, create dependable backups, protect account access and prepare a phone for loss, replacement or hand…
Explore topic
This section helps UK mobile users choose, activate, move and troubleshoot a physical SIM or eSIM without losing access to their n…
Explore topic
Choose and use a smartphone around real tasks, network compatibility, support life and accessibility—not launch-day marketing.
Explore topic
A reliable travel phone setup combines affordable connectivity, offline essentials, account recovery, theft protection and safe po…
Explore topic
Treat a second-hand phone as a technical and ownership check, not just a cosmetic purchase.
Explore topicPage 3 of 6

Diagnose poor calls by comparing location, network, SIM and device before resetting or replacing anything.
Read guide
All four main UK networks support personal hotspot use on current consumer services, but the usable amount and permitted devices depend on the exact tariff…
Read guide
Use phone tethering for occasional, low-risk access; choose a dedicated MiFi, router or data SIM when several devices, long sessions or predictable availab…
Read guide
Turn on Personal Hotspot, set a strong Wi‑Fi password and verify the mobile plan before depending on the connection; a missing hotspot menu can be an opera…
Read guide
Android hotspot menus vary by manufacturer, but the safe method is consistent: prove mobile data works, configure the hotspot rather than accepting weak de…
Read guide
Use a unique password, connect only known devices, verify the connected-device list and turn the hotspot off after use; hiding the name is not a substitute…
Read guide
Test mobile data on the phone first, secure the hotspot, connect the laptop as a metered device and prevent background updates from consuming the allowance…
Read guide
Tethering normally consumes the phone plan’s data rather than a separate technical allowance, but laptops and tablets often use far more data than the same…
Read guide
An MVNO sells mobile service using wholesale access to another operator’s radio network, but it controls its own tariffs, support, SIM provisioning and man…
Read guide
A data-only SIM supplies mobile internet for a tablet, dongle, MiFi or router; it may have a number for network administration, but normal calls and SMS sh…
Read guide
SIM-only is usually the cleaner choice when the existing phone is compatible and reliable; a phone contract may suit someone who needs a new device, but it…
Read guide
PAYG favours irregular use and spending control; monthly service favours predictable use and continuous allowances, but neither is automatically cheaper or…
Read guide
Activate the SIM through the provider’s official route, confirm device compatibility and APN details, then test the connection before installing the device…
Read guide
Choose a SIM-only plan by testing the underlying network and checking the exact features and contract terms; headline data and promotional price come later…
Read guide
The new provider coordinates the move of the telephone number; the old SIM is deactivated and the number is routed to the new SIM or eSIM.
Read guide
You can switch network before a minimum term ends, but first separate the cost of leaving the airtime service from any handset finance and compare it with …
Read guide
A STAC closes the old mobile service as part of a switch without transferring its number; the new provider’s number remains your number.
Read guide
A PAC moves an existing UK mobile number to a different provider; it does not unlock a phone, move an eSIM profile or cancel unrelated device finance.
Read guide
A PAYG-to-contract move on the same provider is usually an internal migration, not a normal PAC port, so ask the provider to preserve the number and confir…
Read guide
First decide whether the PAYG service will be with the same provider or a different one; the correct process may be an internal migration, a PAC port or a …
Read guide
A valid UK mobile PAC switch should normally complete within one working day after the new provider accepts the code, unless you agree to a later date.
Read guide
Most mobile-number ports complete without intervention, but a split service, rejected PAC or delayed SMS route needs precise evidence and action from the n…
Read guide
Walls, coated glass, insulation, building layout and the frequency band can weaken a usable outdoor signal before it reaches your phone.
Read guide
Some static indoor mobile repeaters are licence-exempt, but only if the equipment meets Ofcom’s technical requirements.
Read guide