To hack your phone, please find instructions in below links.

Source links:
http://symbian-developers.net/tutorial-how-to-hack-your-symbian-device/
http://www.allaboutsymbian.com/flow/item/20365_How_to_Hack_your_Symbian_Devic.php

Remarks:
On step #10,#11 of Link#1, you may use stock FileManager to copy 'Install Server RP+ 1.7.rmp' to E:\Patches. RP+ will also find the patches.