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.
Later that year, Nokia also introduced Windows Phone 8 phablets, such as the 6-inch Lumia 1520. In September 2014, Apple released the iPhone 6 Plus along with its 2014 iPhone models; the first iOS phablet, with the largest iPhone screen to date, at 5.5 in (140 mm).