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 first mobile phone was the Motorola DynaTAC 8000x, and it weighed 2.5 pounds. It had a text-only LED screen and had only one line of text. It was 10 years after the invention before consumers could purchase this mobile phone. On September 21, 1983, the FCC approved the phone for consumers to buy. The man responsible for inventing the first mobile phone was Martin Cooper from Motorola. His first call was to Bell Systems' Joel Engel, his rival at the time.