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.
History of Mobile Cell Phones | The First Cell Phone To Present Time. 1  The Worldâs First Cell Phone. 2  Radio-based Cell Phones. 3  Russiaâs First Cell Phone. 4  AT&Tâs Mobile Telephone Service. 5  Manchester, UK and the Post Office Radiophone Service. 6  AT&T Launches Its New Improved Mobile Telephone Service (IMTS) 7  Radio Common Carrier.