O2

So I keep getting a call from a number it says it’s from 02- when I call back it says number has not been recognised, I’ve messaged them on what’s app, but no reply. The number starts as 0793699****. Could it possibly be a scam as I can message on Wh...

Applied for a new contract today and had all the documents sent by email but there’s one where I’ve got to sign & it will not let me do this any help on how to as it’s only valid for 24 hours