Reset your 2730c to factory default as described in the manual.
Not opening the browser is caused that the software problem of the phone... u need to change the present software version of your nokia phone...to change the nokia software some instructions have to followed..
1. Download latest nokia PC suite.
2.Install the nokia pc suite.
3.when u run the pc suite after installation...u will see the "software update" in the menu.
4.Now connect ur phone through data cable.
5.Then click on the software update.
6.install the new software by following instruction.
7.So you get new software to your phone..and all applications must be works well.
download from the net a broeser program better than the one you have
Browser does not open. Reading message bud 1.4.1. How to fix it.
Try to update the software of your device using Nokia Suite. Before updating, it's recommended to backup your phone content with Nokia Suite. These can be restored once the update is complete.
If you do not have Nokia Suite installed in your PC, download and install it (http://www.nokia.com/nokiasuite).
Connect your phone to your PC via an USB cable and start Nokia Suite.
Select Tools > Software updates and follow the on screen prompts until your update is complete.
Hope this helps.