Mobile Networks & SIM

SIM problems, mobile data fixes and network settings explained — get your phone connected and keep it that way.

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How to Find Out Who Called You From an Unknown Number

The phone rings, you miss it, and the call log shows a number you do not recognise — no name, no location,…

AdminOctober 20, 2026

Your speed test at breakfast shows 120 Mbps. At 8 p.m., the same spot on the same sofa shows 6 Mbps and…

October 20, 2026

Voicemail made sense in 2005. In 2026, most callers who cannot reach you simply hang up and send a WhatsApp or text…

October 20, 2026

National adverts boast about population coverage, but nobody lives in “98% of the population” — you live in one house, in one…

October 20, 2026

You upgraded to a 5G phone expecting speed — and got it — but the battery seems to melt noticeably faster than…

October 20, 2026

New phone day should be exciting, but for anyone whose contacts still live on an old SIM card, there is a familiar…

October 20, 2026

Changing your SIM card — a new network, a replacement for a lost card, or a switch to eSIM — raises an…

October 20, 2026

Whose name is actually on your SIM? It sounds like a strange question, but plenty of people use SIMs that were bought…

October 20, 2026

A signal booster can transform a home where calls only work pressed against one window into a home with usable signal in…

October 20, 2026

Step through the front door of an office, supermarket, or your own home, and the signal bars that were full outside melt…

October 20, 2026