Originally Posted by thehillslife
can downloading themes on to your device from websites or making your own themes harm the device or cause it to run slower?
I once loaded a theme that I downloaded and it was apparently a corrupt file. When the BB rebooted I got the 503 error on the white screen. I ran JL Commander and removed the theme, rebooted and was fine. Probably rare but when you do run into problems there are ways to fix them. I've downloaded plenty of themes and that's the only time that I had a problem.