This tells you how to activate your o2 pay as you go sim.
Insert your sim into your phone.
If you have a new top up card, call 248 and follow instructions to link.
If you haven't, head to o2.co.uk/webtopup
Top up online or go to a topup point. Topup £10 or more.
Call 4444. Check your balance and hangup. Your first call or text verifies your call for incoming calls and texts.
Your sim is now activated.
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