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 hand held mobile phone call was made by Martin Cooper, who led the team that developed the first hand held phones. Cooper made his phone call on April 3, 1973 on a prototype Dyna-Tac phone that weighed about 2.5 lb (1.1 kg).