I'm already an O2 customer, contract, runs out in July. I ordered a PAYG
sim for a smartwatch I have, and within 24 hours I was getting bombarded
with calls from the same number. I Googled the number, suspecting it was
dodgy and came across this -
Hi all.Every phone call I receive says Unknown, whether it's my
girlfriend, my mum, or me calling from my home number to everyone else.
I know the 3 above don't have their settings set to hide number for a
fact, yet it comes up unknown every darn tim...