Nokia in a presentation for the International Mobile Internet Conference in Beijing on Tuesday revealed that it plans a much more aggressive update schedule for its phones and for Symbian than in the past. The OS should get four to five updates in the next 12 to 15 months, some of which will touch on longstanding weaknesses compared to Android and the iPhone. A much more contemporary look with a more flexible home screen, a more upgradable web browser with HTML5 support and simpler firmware updates will be part of the upgrades, senior manager Gunther Kottzieper said