In the beginning of the new millennium, handwritten cell phone is a pioneer.
 
Take the very famous Motorola A6188 and A6288 for example, they abandoned the physical digital keyboard, monochrome screen configuration, just click on the cell phone by a small handwriting stylus to operate the complex cell phone. The handwritten cell phone has the extremely vital significance to the evolution of the touch controlled cell phones. Use touch screen to operate is more simple and easy, especially the Chinese input handwriting let many person that not familiar with the spelling can send messages. At that time, many brand cell phones emerging in the markets, many cell phone fans may have had collected some of the cell phones.
 
The Nokia 7710 used the S90 interface, its avant-garde design just like the handheld device; The Ericsson P800 is a classic of its type, the wide screen and the removable down flip typed keyboard captured the hearts of many users; The Dopod 818 is the ppc cell phone that promoted the touch screen and handwriting to the general users in the real significance. Until June 2007, a real sense of touch screen cell phone stands before us, it is the apple iPhone. It gave a new concept of the touch control that had been using until today, it had a profound influence in the whole industry. Its advanced hardware configuration and the high degree integration of the interface were the most impressive. Then the HTC used their own technology of TouchFlo to optimize the operation by fingers and single-hand to break away from the restriction of handwriting stylus.
 
Since the touch screen cell phones can bring people various conveniences, people have a strong interest in them. Now we see many smartphones are all touch screen ones, if the touch screen cannot be used, it will be a lethal effect for those cell phones. So we should learn much knowledge to protect our touch screen. To get much information you can browser the article " Touch screen cannot work" in the website.