You need a SIM card in your phone to dial 999


Photo of a nano SIM card and its plastic housing.

I want to correct a common misconception. Many people think that you can dial the emergency services even if you do not have a SIM in your phone. I see this advice scattered around the web - often telling people to keep an old, SIMless phone for an emergency - and it is dangerously wrong. If you are in the UK, you must have an active SIM in your phone! Your SIM does not need to be in credit, but it does need to be active. That is, it will connect to your network provider. If you do not have …

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