How To Activate A New Sim Card O2. O2 is one of the leading telecom brands in the UK providing mobile SIM card and broadband services. Top up online or go to a topup point.
O2 sent a new sim to my parents UK address. You will probably be able to receive texts when you first put it into the phone but you will need to top up to activate. Not Service for 2 days in Pay Monthly 24-08-2021.
5G sim Youll need to swap to a 5G sim.
If you have a new top up card call 248 and follow instructions to link. The O2 activate SIM card process for pay monthly customers doesnt require any setup. First check what size SIM you need. How long does it take to activate a SIM card O2.
