To download and install Opera, visit m.opera.com using your phone’s existing mobile web browser, and follow the simple instructions. More for Opera Mini
To use Opera on your mobile phone, you must have an Internet connection. See Connecting your phone or contact your mobile service provider.
Basic features are covered on the Features page. For detailed instructions and help, see the general guide and the Opera Mini FAQ. For developer guidelines, see Dev Opera.
Ask questions and discuss Opera Mobile and Opera Mini with others on our forums.
Find out the latest in the Opera Mini and Opera Mobile blogs.
If you found a problem, check if it has already been discussed on our forums. If not, please let us know by using our bug report wizard for Opera Mini or Opera Mobile.