Here is our story: we were searching what does lock sound do because for the past few weeks, sound stopped working in my son's games--just games, like Asphalt 8, Minecraft, etc., but not other apps--I can still play the podcasts without any problem. I checked all the Sound settings and couldn't figure out why.
When was the first touchscreen phone invented? The first touchscreen phone was launched in 1992 by IBM.The IBM Simon is also referred as the first smartphone.Simon is the first smartphone to be incorporated with the features of a PDA.
The iPhone was the first phone that shipped with multi touch display. Multi touch is a big thing, bigger than what many people assumed. WIth multi touch, user can perform many natural gestures, such as rotating image. The iPhone was the first phone that had a big screen, great for watching movies, images. Combined with customised UI for each apps, you never need the physical keyboards anymore. The iPhone was also the first phone that came with data plans bundled.