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.
During this time, Apple released the iPhone 5, the first iPhone to have a screen larger than 3.5, the iPod Touch 5, also with a 4 screen, the iPhone 5S with fingerprint scanning technology in the form of Touch ID, and iPhone 6 and iPhone 6 Plus, with screens at 4.7 and 5.5.