O2 | UK
O2
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6About this product
How to activate the code
- 1
Make sure your SIM card belongs to the O2 UK network (region — United Kingdom). The voucher will not activate on SIM cards from other operators or other countries.
- 2
Receive your voucher code — it will be delivered to your email after placing the order.
- 3
Call 4444 free from your O2 phone and follow the voice prompts to enter the code. If you are abroad and direct dialing of short numbers is unavailable, dial *111*# and press the call button. Alternatively, you can call +44 8456 062 277.
- 4
Alternatively, go to o2.co.uk/topup or open the My O2 app and enter the voucher code in the corresponding field — your balance will be topped up instantly.
To check your balance, dial *#10# and press the call button, or call 4444. For O2 support, you can call 4445 from an O2 phone or +44 7860 980 202 from any number.