[794613825]

My mom gifte me a bb curve 8300 from her work, the problem its taht i activate my pin but like the bb come form my mom's work it has the blackberry enterprise software and it have restrictions like i cant download any third-party apps. and i cant change the security options for the same reason that it have the enterprise software, somebody told me to take it to an special shop for bb's but the are charginf me like 50$ for delete all the software and install a new one, but i dont have that money so im asking if any one know how to delete that security or how to delete the softwareand install the normal.. plz help :S thx!