Here's all the ways you can apply your Voucher to your O2 phone
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Fast Delivery
You will receive your Voucher code by SMS and email with 30 seconds.
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Once you use your Voucher Code your details are wiped from our system automatically.
By Phone:
From your O2 phone Dial 4444
or
From a landline, call 0845 6062 277
Follow the spoken instructions, When Prompted, enter the O2 top up code we sent you.
By Phone:
Dial hotkey 2 and your O2 balance will appear on your screen.
or
Enter *#10# and press the call button. Your O2 pay as you go balance will appear on your screen
or
Dial 4444 to hear your balance on your phone.
Online:
Sign into your My O2 account from your phone or computer
or
If you are not resistered with My O2 then turn your wifi off and go teh My O2 website, You will see your balance and not be charged as the My O2 site will not use your data.
An O2 top up voucher will expire after 12 months if you don’t activate it. Once activated, your O2 call credit doesn’t expire as long as your O2 SIM card is active. To keep it active, make at least one chargeable activity (e.g. a call, a text or mobile data usage) every 6 months. Otherwise, O2 UK will deactivate your SIM card. This will also result in losing any call credit remaining on it.
By Phone:
Call 4444 from the mobile phone you want to top up.
or
Enter *111*# followed by the call button. Then, follow the instructions. When prompted, enter the top up code we sent you.
Online:
1. Go to the O2 website
2. Enter your mobile number
3. Enter your voucher number
Online:
Visit the O2 customer service page, and scroll down to the bottom.
By Phone:
From your O2 mobile, dial 4445.
or
From other UK landlines or mobiles, call 0344 8090 222 (standard call charges apply).
or
From abroad, call +44 7860 980 202. (free from a O2 mobile).