Help and Support for
Microsoft Lumia 640
Choose a help topic
You can lock the phone screen and keys to avoid activating your phone by mistake.
Registered in England and Wales. Company No 01471587. Registered Office: Vodafone House, The Connection, Newbury, Berkshire, RG14 2FN.
*Annual Price Increase: During your minimum period, the monthly cost will increase each year on 1 April by £1.80 for Pay monthly plans with Airtime/Data, and £3 for Home Broadband plans. This doesn't affect Device Plans. More information: vodafone.co.uk/pricechanges
© 2025 Vodafone Limited is authorised and regulated by the Financial Conduct Authority for consumer credit lending and insurance distribution activity (Financial Services Register No. 712210)