I recently bought a samsung S5603 preston . It is well except it has no screen keyboard unlike Samsung Star S5230 is cheaper than S5603 and has a qwerty keyboard display. After research , I have heard of firmware , I did not quite understand what it means but apparently we can add something to this thanks to firmware . So if possible that I want to know more about these firmware and if not whether there is a method for visual qwerty keyboard for my Samsung S5603 Preston.
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