1 You can browse your Phone Book and then click the contacts (up to 100) you want to block. 2  After you select the numbers you want blocked, click Activate Incoming Call Block. 3  Click Calls and Messages. 4  Locate the number you want to block and click the name or the number. 5  Click Call Block. or. 2  You can browse your Phone Book and then click the contacts (up to 100) you want to block. 3  After you select the numbers you want blocked, click Activate Incoming Call Block. 4  Click Calls and Messages. 5  Locate the number you want to block and click the name or the number. 6  Click Call Block.
The invention of the first mobile phone was on April 3, 1973, and was from Motorola. At the time, the cost of the phone ran at $3,995.
The first mobile phone to incorporate PDA features was an IBM prototype developed in 1992 and demonstrated that year at the COMDEX computer industry trade show.The prototype demonstrated PDA features as well as other visionary apps like maps, stocks and news incorporated with a cellular phone.hey typically combine the features of a cell phone with those of other popular mobile devices, such as personal digital assistant (PDA), media player and GPS navigation unit. Most smartphones can access the Internet, have a touchscreen user interface, can run third-party apps, music players and are camera phones.