Help and Support for
Samsung Galaxy A21s
Android 10.0
Choose a help topic
Guide to keys and sockets on your Samsung Galaxy A21s Android 10.0
The list below shows you what the different keys and sockets on your phone are used for.
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)