Help and Support for

One 550

Choose a help topic

Basic use - One 550

Sound settings

Choose ring tone Choose message tone Turn silent mode on or off Turn vibration on or off Set ring volume

Display settings

Choose language Set date and time Personalise your phone display

Security codes

Turn use of PIN on or off Change PIN Turn use of phone lock code on or off Change phone lock code

Software update

Back up phone memory Restore factory default settings

SIM lock

View SIM lock status

Buying online

Latest phones

Help and support

Vodafone UK

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*Annual Price Increase: The monthly cost will increase each year on 1 April by £2.50 for Pay monthly plans with Airtime/Data, and £3.50 for Home Broadband plans. This doesn't affect Device Plans. More information: vodafone.co.uk/pricechanges

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