In addition to placing and receiving cellular calls , the touchscreen-equipped Simon could send and receive faxes and emails. It included an address book, calendar, appointment scheduler, calculator, world time clock, and notepad, as well as other visionary mobile applications such as maps, stock reports and news. In , while he was working with Boeing in Huntsville, Alabama , Paraskevakos demonstrated a transmitter and receiver that provided additional ways to communicate with remote equipment. This formed the original basis for what is now known as caller ID. The original and historic working models are still in the possession of Paraskevakos. These operating systems would later evolve into early mobile operating systems.
Windows Phone 8.1 End of Support: FAQ
Smartphone - Wikipedia
What does end of support for Windows Phone 8. As of July 11, , Windows Phone 8. Third parties or paid support programs may provide ongoing support, but it is important to recognize that Microsoft support will not publicly provide updates or patches for Windows Phone 8. What does end of support mean for customers?
List of Windows Phone 8.1 devices
Send and receive photos, videos, documents, and Voice Messages. Call your friends and family for free with WhatsApp Calling, even if they're in another country. Data charges may apply. Contact your provider for details. Also, you can't access and other emergency service numbers through WhatsApp.