Samsung Galaxy J3 (2017)
Help and Support for

Samsung Galaxy J3 (2017)

Choose a help topic

Turn automatic use of mobile data on your Samsung Galaxy J3 (2017) Android 7.0 on or off

You can set your phone to use mobile data automatically when the connection to the Wi-Fi network is weak. To turn automatic use of mobile data on or off, you need to turn on mobile data.

Buying online

Latest phones

Help and support

Vodafone UK

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)