Today, Opera Software finally released the much awaited stable versions of Opera Mini 5 and Opera mobile 10. Though,  earlier these software’s  were in beta versions, there were already millions of people using it inspite of being them in developmental phase. Opera Mini 5 is built on Java sdk used for mobile phones and Opera Mobile utilizes sdk (software development kit), which are platform dependent namely Symbian s60 and windows mobile.

Opera Mini’s compression technology reduces the amount of data sent to the phone by up to 90 percent, resulting in lower costs on pay-per-MB data plans or when roaming. Opera keeps it simple with a sleekly designed user interface, regardless of the phone you are using, and with the same feature set, such as Speed Dial, tabs, and the password manager. Opera Link lets you synchronize your bookmarks, notes and Speed Dial between your computer and your mobile phone.

Opera Mini 5 is available on all Java-based and Blackberry phones, as well as Android and Windows Mobile (both in beta only) phones. Opera Mobile 10 is available on Windows Mobile and Symbian S60-based mobile phones.

You can download them directly on to your mobile via m.opera.com or go directly to their site, select the phone, download them and transfer them to your mobile phone.

Source, Official Press Release