Spare sim

[GillT]

I want to buy a sim so that I can use my previous i phone for emergency calls in case i have a fall etc. I dont want to have to top up monthly, just to keep it charged for use in the house. I will still have my current contract phone for use as well. Any suggestions?

[jonsie]

Not O2 for sure

Have a look at 1p mobile, giffgaff or Tesco to see their offerings

Other customeers will probably be able to offer more choices to you

[MI5]

@GillT 

You have to top up any payg sim these days.

No one will offer you something that never needs topping up.

The cheapest at around £30 per year are 1pMobile https://www.1pmobile.com/

[Enlli]

My backup is 1p Mobile. Yes, it is £30 a year but if you keep it topped up the credit rolls over.

I was away for a week this year and no O2 data. Just paid for a data bundle from my £30 and got EE 5G!

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[Oxonian]

@GillT 

if you want to procure a second SIM for backup purposes, I suggest that consider getting one on an alternative network.

That will hopefully ensure that you can still make a call even if there are network issues on O2, which will inevitably happen from time to time.