Without a pen interface Multi-touch technology is very difficult to manufacture a touch screen device.Real Multi-touch technology Created began in 1982.But now a days High range smartphone is always high resolution screen,For that they say,multitouch up to 5 fingers or multitouch up to 10 fingers and also some middle range smartphone also give multitouch up to 5 fingers.but low range smartphone is not able to multitouch.

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