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.
They have announced the worldâs first smartphone that included the function of touch-screen in 2000. And they launched HTC Evo 4G in June 2010, which was the first 4G phone in the United States and in 2010, HTC sold over 24.6 million mobile phones included their all handsets.