Opera Mini

Opera Mini
Red letter "O" and label "Opera mini"

Browser window displaying the Wikipedia main page

Opera Mini 8.0 for Android, displaying the Wikipedia main page.
Developer(s) Opera Software
Initial release August 10, 2005

Stable releases:

Android 8.0[1] (April 13, 2015) [±]
iOS 10.0.1[2] (March 31, 2015) [±]
Windows Phone 8.0.1.7[3] (March 26, 2015) [±]
BlackBerry 8.0[4] (March 12, 2014) [±]
Java ME 8.0[4] (March 12, 2014) [±]
Symbian 7.1 (January 25, 2013) [±]
Development status Active
Written in C++, Java, Pike[5]
Included with Nokia X family,[6] Samsung feature phones,[7] devices by Celkon, Karbonn, Lava, Intex, Fly, Zen, HCL ME, and other manufacturers[8][9]
Engine Presto (using server-side rendering)[10]
Platform Android, Bada, BlackBerry OS, iOS, Java ME, Symbian-UIQ3, Windows Mobile, Windows Phone (beta), Zeebo
Available in Various[11]
Type Mobile browser
License freeware
Website www.opera.com/mobile/download/

Opera Mini is a web browser designed primarily for mobile phones, smartphones and personal digital assistants. Until version 4 it used the Java ME platform, requiring the mobile device to run Java ME applications. From version 5 it is also available as a native application for Android, bada, iOS, Symbian OS, and Windows Mobile. Opera Mini is offered free of charge, supported mainly through deals with mobile operators to have Opera Mini pre-installed in phones,[9] and other sources of revenue such as search advertising deals, licensing[12] and paid bookmarks and Speed Dial placement.[13]

Opera Mini was derived from the Opera web browser for personal computers, which has been publicly available since 1996. Opera Mini began as a pilot project in 2004. After limited releases in Europe, it was officially launched worldwide on January 24, 2007.

Opera Mini requests web pages through Opera Software's servers, which process and compress them before sending them to the mobile phone, speeding up transfer by two to three times and dramatically reducing the amount of data transferred, chargeable on many mobile phone data plans. The pre-processing increases compatibility with web pages not designed for mobile phones. However, interactive sites which depend upon the device processing JavaScript do not work properly.

In July 2012, it was reported that Opera Mini had 168.8 million users as of March 2012.[14] In February 2013, Opera reported 300 million unique Opera Mini active users and 150 billion page views served during that month. This represented an increase of 25 million from September 2012.

History

Origin

Opera Mini was derived from the Opera web browser for personal computers, which has been publicly available since 1996.[15] Opera Mini was originally intended for use on mobile phones not capable of running a conventional Web browser.[16] It was introduced on August 10, 2005 as a pilot project in cooperation with the Norwegian television station TV 2,[17] and only available to TV 2 customers.

A beta version was made available in Sweden, Denmark, Norway, and Finland on October 20, 2005.[18] After the final version was launched in Germany on November 10, 2005,[19] and quietly released to all countries through the Opera Mini website in December, the browser was officially launched worldwide on January 24, 2006.[20]

On May 3, 2006, Opera Mini 2.0 was released. It included new features such as the ability to download files, new custom skins, more search engine options on the built-in search bar, a speed dial option, new search engines, and improved navigation.[21]

On November 1, 2006, Opera Mini 3 beta introduced secure browsing, RSS feeds, photo uploading and content folding into its list of features and capabilities.[22] Content folding works by folding long lists such as navigation bars into a single line that can be expanded as needed. A second beta was released on November 22,[23] and on November 28, the final version of Opera Mini 3 was released.[24]

Opera Mini 4

On November 7, 2007 Opera Mini 4 was released. According to Johan Schön, technical lead of Opera Mini development, the entire code was rewritten.[25] Opera Mini 4 includes the ability to view web pages similarly to a desktop based browser by introducing Overview and Zoom functions, and a landscape view setting. In Overview mode, the user can scroll a zoomed-out version of certain web pages.[26] Using a built-in pointer, the user can zoom into a portion of the page to provide a clearer view; this is similar to the functionality of Opera's Nintendo-based web browsers. This version also includes the ability to synchronise with Opera on a personal computer.[27][28]

Prior to Opera Mini 4, the browser was offered in two editions: Opera Mini Advanced for high-memory MIDP 2 phones, and Opera Mini Basic for low-memory MIDP 1 phones.[29] Opera Mini 4 replaced Opera Mini Advanced.[30] The older Opera Mini 3 Basic was still available for low-memory phones as of 2012.[31]

Originally, Google was the default search engine on Opera Mini.[32] On January 8, 2007, Opera Software and Yahoo! announced a partnership to make Yahoo! search the default instead.[33] On February 27, 2008, Opera Software announced that Google would henceforth be the default search engine for Opera Mini and Opera Mobile.

Opera Mini 7.0.5 build 45389 on iOS 7.1 displaying Wikipedia

A version for the Android operating system was announced on April 10, 2008. Rather than port the code to Android, a wrapper was created to translate Java ME API calls to Android API calls.[34]

Opera Mini 5

On August 16, 2009, Opera Software released Opera Mini 5.0 beta, which included tabbed browsing, a password manager, improved touch screen support, and a new interface, with a visual Speed Dial similar to the one introduced by Opera Software in their desktop browser.[35]

The browser's use of compression and encrypted proxy-based technology to reduce traffic and speed page display has the side effect of allowing it to circumvent several approaches to Internet censorship. Since November 20, 2009, there have been reports from Chinese users that when they use Opera Mini, they are redirected to an error page leading them to download Opera Mini China Version. This is almost certainly due to the Chinese government being concerned that users are using Opera Mini to bypass the Great Firewall in China. Opera agreed to route all of their traffic through government servers.[36][37]

2009–2010: A press release announcing that Indonesia's Smart Telecom had chosen Opera Mini for their devices said that Opera Mini was the world's most popular mobile browser, and that Russia and Indonesia were the largest users.[38]

An iPhone version was approved for distribution by the Apple App Store on April 13, 2010.[39][40]

Most Opera Mini versions use only the Mini server-based compression method, with maximal compression but some issues with interactive applications. Non-Mini versions of Opera for phones and computers originally operated in uncompressed mode; from v10 a selectable server-based Turbo mode (called "off-road" in some versions) was added, similar to Mini mode, but bypassing compression for interactive functionality, at the expense of less extreme data compression. Opera Mini 8 for iPhone, released in 2014, can operate in Mini, Turbo, and uncompressed modes, effectively combining the functionality of the Mobile and Mini versions.[41] Turbo and Mini modes reduce the amount of data transferred, which reduces cost on some phone contracts and increases speed on the slower connections typical of mobile phone networks; with a high-speed connection uncompressed mode, without delays due to diverting through the Opera server, compressing by the server, and expansion by the device, may work faster.

On 3 September 2014, Opera started taking registrations for the beta version of Opera Mini for Windows Phone.[42] Opera Mini was released for Windows Phone six days later, on 9 September 2014, as a public beta.[43] This marked Opera's return to Microsoft's mobile platform since the demise of Windows Mobile.

Functionality

The functionality of Opera Mini mode is somewhat different from that of a conventional Web browser, with the amount of data which has to be transferred much reduced, but with some loss to functionality. Most versions of Opera Mini only work in this mode, but the Opera Mini 8 program for iOS, but not the BlackBerry/J2ME version, was completely redesigned and can switch between Mini, Turbo, and uncompressed modes, gaining functionality at the cost of lower compression in non-Mini modes.[41]

Unlike straightforward web browsers, Opera Mini fetches all content through a proxy server and reformats web pages into a format more suitable for small screens.[44] A page is compressed, then delivered to the phone in a markup language called OBML (Opera Binary Markup Language), which Opera Mini can interpret.[45] The data compression makes transfer time about two to three times faster,[26] and the pre-processing improves the display of web pages not designed for small screens.[46]

By default, Opera Mini opens one connection to the proxy servers, which it keeps open and re-uses as required. This improves transfer speed and enables the servers to quickly synchronize changes to bookmarks stored in Opera Link.[47][48]

The Opera Software company maintains over 100 proxy servers to handle Opera Mini traffic. They run Linux and "are massively parallel and massively redundant."[49]

Small-Screen Rendering

For devices with screens 128 pixels wide or smaller, the default rendering mode is Small-Screen Rendering (SSR). In this mode, the page is reformatted into a single vertical column so that it need only be scrolled vertically.[26] Long lists and navigation bars are automatically collapsed (hiding most of the list or bar) by a feature known as "content folding". A plus (+) sign is displayed next to the collapsed content; when clicked, it toggles content folding.[50]

Web developers can turn on SSR on the desktop edition of Opera to see how their websites will be displayed on mobile editions of Opera.[51]

In SSR mode images are scaled down to no more than 70% of the screen size in either direction.[52]

Complex script rendering

Opera Mini can send content in bitmap image form if a font required is not available on the device, which is useful for indic scripts. Hindi and a few other non-Latin character sets are supported.

JavaScript support

When browsing the Web in Opera Mini mode, JavaScript is processed by the proxy server, and is merely rendered on the device. This limits interactivity. Scripts cannot be run in the background on the device. If a script is paused (on the server), the browser must communicate with the server to unpause it. JavaScript will only run for a couple of seconds on the Mini server before pausing, due to resource constraints.[53]

According to the documentation for Opera Mini 4, before the page is sent to the mobile device, its onLoad events are fired and all scripts are allowed a maximum of two seconds to execute. The setInterval and setTimeout functions are disabled, so scripts designed to wait a certain amount of time before executing will not execute at all.[54] After the scripts have finished or the timeout is reached, all scripts are stopped and the page is compressed and sent to the mobile device. Once on the device, only a handful of events are allowed to trigger scripts:[54]

When one of these events is triggered, sends a request to the proxy server to process the event. The proxy server then executes the JavaScript and returns the revised page to the mobile device.[54]

Pop-ups, if not blocked by the JavaScript restrictions, replace the web page being viewed.[56]

Opera has published Web content authoring guidelines to assist authors.[57]

Opera Mini 8 for iOS can run in Turbo and uncompressed modes, in addition to Mini mode. In Turbo mode, the amount of data transferred is still much reduced by compression, but, unlike Mini mode, JavaScript is not intercepted by the server and works properly.[41]

Features

Scrolling is carried out by using the device's arrow keys, its number keys, or a stylus.[26][58]

The display may be toggled between portrait and landscape mode by keystrokes, or will switch automatically on phones with orientation sensors. The default orientation can be changed.[26]

The image quality may be set to "Low", "Medium", or "High".[59] Page load times are affected by the chosen image quality setting.[60]

Opera Mini supports only one font,[52] which can be set to "Small", "Medium", "Large", or "Extra large" size.[59] If a web page uses Courier or a generic monospaced font, the one font is still used, but the characters are spaced out so that each character takes up the same amount of space.[52]

Browsing tools

Opera Mini has a search bar capable of using several pre-configured search engines;[61] the user can add more search engines.[59] The default search engines are Google and Wikipedia.

Opera Mini supports shortcut keys,[62] skins,[63] and a web feed aggregator.[64] It can save bookmarks,[65] download files,[66] save web pages for offline reading, and it remembers the user's browsing history.[67]

Since the launch of Opera Mobile Store in March 2011[68] Speed Dial of Opera Mini displays a shortcut to Opera's own mobile applications store.

Privacy and security

Main article: Browser security

Opera Mini, since 3.0 Advanced, encrypts the connection between the mobile device and the proxy server for privacy and security. The encryption key is obtained on the first start by requesting that the user press random keys a certain number of times.[69] Opera Mini 3.0 Basic does not support encryption. Opera Mini has been criticised because it does not offer true, end-to-end security when visiting encrypted sites such as paypal.com:[70] when visiting an encrypted web page, the Opera Software company's servers decrypt the page, then re-encrypt it themselves, breaking end-to-end security.[71]

This reduces security, and is relevant to applications such as Internet banking.

Standards support

As of version 4, Opera Mini uses the same layout engine that is included in Opera 9.5.[72] Consequently Opera Mini supports most of the web standards supported in Opera 9.5. However, unlike the desktop edition of Opera, Opera Mini includes no support for Web Forms 2.0. Also, frames are flattened because of client limitations, and dotted and dashed borders are displayed as solid borders due to bandwidth and memory issues.[52] As Opera Mini reformats web pages, it does not pass the Acid2 standards compliance test.[73][74]

Opera Mini supports bi-directional text, meaning that it can correctly display right-to-left scripts such as Arabic and Hebrew in addition to languages written left-to-right. However, it will not display right-to-left text if the font size is set to small or very small.[25] Indic and Chinese scripts are supported only if an appropriate font is installed on the device as the default system font. Opera Mini does not display text in italic or other formatting besides boldface.

Low-memory device support

For MIDP 1, low-memory devices, the older Opera Mini 3 Basic is still available.[31] Its features include an option to increase the text size, as the default text size is too small for some web sites.[75] Opera Mini 3 Basic uses less advanced compression, does not support full page view, does not include support for favicons, does not scroll as smoothly, does not feature a built-in clock, and does not support encryption.[29] When browsing an encrypted web page with Opera Mini 3 Basic, the page is decrypted before being sent to the mobile phone.[71]

Opera Link

Bookmarks, Speed Dials, and search engines could be backed-up to My Opera until it closed on 3 March 2014,[76] and kept synchronized between different phones or with the Opera browser on computers, using the Opera Link service.[26]

Data centers

Total data consumed by Opera Mini users worldwide from 2006 to mid-2008 in TB

Opera Mini relies on data centers processing the Web page before sending it back to the phone in a compressed binary form.

Market adoption

The overall share of the Opera family in the mobile Web browser market was about 26.92% in October 2009.[79] Figures for Opera Mini within this were not available. Most of users come from Indonesia, Russia, China and Brazil.[80]

Network operators

Several mobile network companies pre-install Opera Mini on their mobile phones, including Telenor, AT&T, Vodafone, T-Mobile, KDDI, Omnitel, Pannon GSM, Telefónica Móviles de España and TMN

Devices

The following devices came pre-installed with Opera Mini as of August 2007. Some listed devices only included Opera Mini when bought from certain network operators.[81]

See also

References

  1. ↑ "Opera Mini - Fast web browser - Android Apps on Google Play". 13 April 2015. Retrieved 13 April 2015.
  2. ↑ "Opera Mini web browser on the App Store on iTunes". 10 March 2015. Retrieved 11 March 2015.
  3. ↑ "Opera Mini - beta | Windows Phone Apps+Games Store (United States)". 9 December 2014. Retrieved 11 March 2015.
  4. ↑ 4.0 4.1 "New Opera Mini for Java and BlackBerry - Opera Software". 12 March 2014.
  5. ↑ Lextrait, Vincent (January 2010). "The Programming Languages Beacon, v10.0". Retrieved 14 March 2010.
  6. ↑ Solsvik, Terje (2014-02-24). "Opera browser to be pre-installed on Nokia's X phones". Reuters. Retrieved 2014-04-18.
  7. ↑ "Samsung delivers a faster web on non-smartphones" (Press release). Oslo, Norway: Opera Software. 2012-02-23. Retrieved 2014-04-18.
  8. ↑ Summers, Nick (2013-05-08). "Opera Software partners with Indian mobile OEMs to get its Opera Mini browser pre-installed on Android devices". TheNextWeb. Retrieved 2014-04-18.
  9. ↑ 9.0 9.1 Shankland, Stephen (2011-08-25). "Opera finances improve despite fierce competition". CNET. Retrieved 2012-01-16.
  10. ↑ FAQ, Opera Mini and Mobile Classic look the same, so what's the difference?.
  11. ↑ "Opera Mini translated into over 50 languages; 15 more to come later this month". 2007-11-07. Retrieved 2007-12-29.
  12. ↑ Segan, Sascha (2011-02-16). "Opera Mini 6 for iPhone, iPad and Verizon Phones: Hands On". PCMag.com. Retrieved 2012-01-16.
  13. ↑ Pahwa, Nikhil (2011-05-19). "There’s A Business Angle To The Hungama-Opera Speed Dial Deal". Medianama. Retrieved 2011-01-16.
  14. ↑ "State of the Mobile Web, March 2012". Opera Software. 2012-07-30. Retrieved 2014-04-18. |chapter= ignored (help)
  15. ↑ "Affiliated Organization of Firefox and Mozilla" (PDF). Mozilla Japan. 2006. Retrieved 2007-10-24.
  16. ↑ Goldman, Daniel (2006-05-03). "Opera Mini 2.0 ReleasedDaniel Goldman". Opera Watch. Retrieved 2007-12-21.
  17. ↑ "Have WAP but want WEB? Introducing Opera Mini for mobile phones" (Press release). Opera Software. 2005-08-10. Retrieved 2007-12-05.
  18. ↑ "Mobile comfort in the cold: Opera Mini beta now available free in the Nordics" (Press release). Opera Software. 2005-11-10. Retrieved 2008-01-02.
  19. ↑ "The full Internet for all mobile phones: Opera Mini launched in Germany" (Press release). Opera Software. 2005-11-10. Retrieved 2008-01-02.
  20. ↑ Gohring, Nancy (2006-01-24). "Opera Officially Launches Mini Browser". PC World. Retrieved 2007-12-05.
  21. ↑ "Mini Gets Mighty: Introducing Opera Mini 2.0 for your mobile phone" (Press release). Opera Software. 2006-05-03. Retrieved 2007-12-21.
  22. ↑ Goldman, Daniel (2006-11-01). "Limited testing of Opera Mini 3 beta". Opera Watch. Retrieved 2007-12-21.
  23. ↑ Spilling, Marianne (2006-11-22). "Opera Mini 3.0 Beta 2". Opera Software. Retrieved 2007-12-21.
  24. ↑ "Opera Mini drives social networking on mobile phones" (Press release). Opera Software. 2006-11-28. Retrieved 2007-12-21.
  25. ↑ 25.0 25.1 Schön, Johan (2007-11-07). "The power of the Web with Opera Mini 4". Retrieved 2007-12-24.
  26. ↑ 26.0 26.1 26.2 26.3 26.4 26.5 "Opera Mini Features". Opera Software. February 2009. Retrieved 2014-07-13.
  27. ↑ Calore, Micheal "Opera 4 Beta Released", Wired News, June 19, 2007
  28. ↑ Heater, Brian "Opera Mini 4 Goes Live", AppScout (Ziff Davis), November 7, 2007
  29. ↑ 29.0 29.1 "Opera Mini FAQ". Opera Software. Archived from the original on 2007-12-19. |chapter= ignored (help)
  30. ↑ "Generic Advanced MIDP 2". Download Opera Mini. Opera Software. Retrieved 2007-12-19.
  31. ↑ 31.0 31.1 "Opera mini Download page, including v3 Basic and Advanced". Download Opera Mini. Opera Software. Retrieved 2012-10-12.
  32. ↑ "Opera Software chooses Google as search partner". Reuters. 2005-12-28. Retrieved 2007-10-11.
  33. ↑ "Opera Names Yahoo! Exclusive Global Partner for Mobile Search" (Press release). Yahoo!. Retrieved 2007-10-11.
  34. ↑ "The story behind Opera Mini on Google Android". Retrieved 2009-01-04.
  35. ↑ http://www.opera.com/press/releases/2009/09/16/
  36. ↑ "Opera Mini国际版屏蔽国内用户" (in Chinese). Solidot. 2009-11-21. Retrieved 2009-11-25.
  37. ↑ Steven Millward (22 November 2009). "Opera accused of censorship, betrayal by Chinese users". CNet Asia.
  38. ↑ http://www.mobile-fun.org/reviews/category/indonesia/
  39. ↑ "Opera Mini Submitted to App Store".
  40. ↑ "Opera Mini Approved for App Store".
  41. ↑ 41.0 41.1 41.2 Opera development Web site:Opera Mini 8 for iOS released, 26 June 2014
  42. ↑ Opera Mini Beta Subscriptions Now Open For Windows Phone
  43. ↑ Opera Mini beta for Windows Phone now available for anyone to test
  44. ↑ "Developer case study: Managing Java fragmentation, Opera Software's Java ME browser client: About Opera Mini". Sony Ericsson. 2006-06-23. Retrieved 2007-12-19.
  45. ↑ "Opera 3Q05 Results" (PDF). 2005-11-21. p. 16. Archived from the original (PDF) on 2005-12-01. Retrieved 2007-12-19.
  46. ↑ Duncan, Geoff (2006-01-24). "Opera Mini Officially Brings Web to Mobiles". Digital Trends News. Retrieved 2007-10-18.
  47. ↑ "How to increase Opera Mini speed ?".
  48. ↑ FAQ, What is the difference between ‘http connection' and ‘socket connection'?.
  49. ↑ Gohring, Nancy (2006-01-24). "Opera Officially Launches Mini Browser". PC World. Retrieved 2007-12-24.
  50. ↑ "Content folding". Opera Mini Features. Opera Software. Retrieved 2008-01-04.
  51. ↑ "Opera's Small-Screen Rendering". Opera Software. Archived from the original on 2007-12-04. Retrieved 2007-12-20.
  52. ↑ 52.0 52.1 52.2 52.3 Storey, David (2007-08-31). "Evolving the Internet on your phone: Designing web sites with Opera Mini 4 in mind". Opera Software. Retrieved 2008-01-16.
  53. ↑ Opera Mini: web content authoring guidelines: Javascript support
  54. ↑ 54.0 54.1 54.2 Mills, Chris (2007-10-25). "JavaScript support in Opera Mini 4 (deprecated article)". Opera Software. Retrieved 2007-12-29.
  55. ↑ 55.0 55.1 55.2 55.3 "HTML event types". Document Object Model (DOM) Level 2 Events Specification. 2000-11-13. Retrieved 2007-12-29.
  56. ↑ "Designing With Opera Mini in Mind". Opera Software. 2006-11-13. Retrieved 2007-12-31.
  57. ↑ Opera Mini: web content authoring guidelines
  58. ↑ Angel (2005-08-17). "Review of Opera Mini on the Treo 650". treo Addicts. Retrieved 2007-12-24.
  59. ↑ 59.0 59.1 59.2 "Opera Mini Simulator". Opera Mini Features. Opera Software. Retrieved 2008-01-04.
  60. ↑ Goldman, Daniel (2007-08-15). "How to get higher quality images with Opera Mini?". Opera Watch. Retrieved 2008-01-04.
  61. ↑ "Configuring search engines". Opera Mini Features. Opera Software. Retrieved 2008-01-04.
  62. ↑ "Shortcuts". Opera Mini Features. Opera Software. Retrieved 2008-01-04.
  63. ↑ "Settings". Opera Mini Features. Opera Software. Retrieved 2008-01-04.
  64. ↑ "RSS feeds". Opera Mini Features. Opera Software. Retrieved 2008-01-04.
  65. ↑ "Bookmarks". Opera Mini Features. Opera Software. Retrieved 2008-01-04.
  66. ↑ "Downloads". Opera Mini Features. Opera Software. Retrieved 2008-01-04.
  67. ↑ "History". Opera Mini Features. Opera Software. Retrieved 2008-01-04.
  68. ↑ "Opera launches the Opera Mobile Store, available in over 200 Countries". Opera Press Releases. Opera Software. 2011-03-08. Retrieved 2012-11-29.
  69. ↑ "Opera Mini FAQ". Opera Software. Archived from the original on 2007-12-19. |chapter= ignored (help)
  70. ↑ "Recommendation for Mobile Banking Vendors & An Update on Opera Browsers". 2007-10-14. Retrieved 2007-12-10. |first1= missing |last1= in Authors list (help)
  71. ↑ 71.0 71.1 FAQ, How does encryption work in Opera Mini?.
  72. ↑ Storey, David (2007-06-18). "CSS3 Selectors support on your phone". Retrieved 2007-12-22.
  73. ↑ "Opera Mini 4 beta out". June 2007. Retrieved 2007-12-22.
  74. ↑ "Opera Mini Simulator". Opera Software. Retrieved 2007-12-22.
  75. ↑ Dennis (2006-11-02). "Opera Mini 3.0 beta". Wap Review. Retrieved 2007-12-20.
  76. ↑ Opera Software: My Opera is now closed
  77. ↑ "Serving up more Opera Mini in Europe: Opera opens new data center in Poland". 2009-06-30.
  78. ↑ "20 Million Opera Mini users move to Iceland". 2009-11-01.
  79. ↑ "Top 9 Mobile Browsers on Oct 09". StatCounter. October 2009. Retrieved 2009-11-15.
  80. ↑ "Opera Mini 7 browser now available on features phones and BlackBerry devices". June 4, 2012.
  81. ↑ Goldman, Daniel (2007-08-27). "Phones with Opera Mini pre-installed, distribution partners, and more". Opera Watch. Retrieved 2008-02-05.
  82. ↑ "Motorola and Sprint Announce World’s First Push-To-Talk Android-Powered Smartphone - Motorola i1" (Press release). Motorola. 2010-03-22. Retrieved 2010-03-22.
  83. ↑ "Opera Mini Web browser pre-installed with Nokia 6300" (Press release). Opera Software. 2006-12-14. Retrieved 2013-12-01.

External links

Wikimedia Commons has media related to Opera Mini.