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A picture message is a message which can contain pictures and other media files and can be sent to other mobile phones and email addresses. You can send and receive picture messages as soon as you've inserted your SIM. If this isn't the case, you can set up your phone for picture messaging manually.
Find "Data accounts"
Create new data connection
If you're on a pay monthly price plan:
Key in wap.vodafone.co.uk
If you're on a pay as you go or VOXI price plan:
Key in pp.vodafone.co.uk