There are enough interesting problems, where you suddenly lost browser icon on your blackberry, this often happens after we do upgrade the software, or activate a new phone, there are some tricks you can do
-make sure you are connected to the BIS
-make sure there are no icons hidden menu, be sure to press the menu button on the select sho all, double check the menu, if the browser has emerged
-go to> Advanced Options> Host Routing Table, press the menu button and select the register now, wait until 30 seconds and the browser's icon should appear again, sometimes, can take a long time depending on the range and quality of your operator services, if indeed did not come straight
here to do the trick, pull the battery
if the problem is still there, doing tricks sent back service book
good luck
READ MORE - browsers on blackberry disappeared