Please help us improve our website

Take our customer survey to evaluate your visit.

It should only take a few minutes to answer five quick questions. Just click the Launch survey button at the end of your visit to begin.

User guides and documentation

K770 User guide (PDF) (5 MB)
Learn more about the features in your device. K770 White paper (English) (PDF) (612 kB)
Read about supported formats, technologies, memory, etc.

User guide in another language

K770 - Sony Smartphones

Did we help you?

Please give us your feedback

Need support for another product?

View all Phones or Accessories

Transfer your contacts

Just getting started with your new phone? Here’s how you easily transfer your contacts from your old handset.

Transfer your contacts

Be the first to know

Check out our blog to get the latest news, insights and behind-the-scenes info.

Visit our Blog

Contact us

Find your local support contacts. We are here to help.

Contact us