Z4root is just an app to root your phone with the push of a button. A lot of people prefer it, but I don't. I do everything manually because when you're allowing apps like that to manipulate the core of your phone then a lot could go wrong and you won't know what part is wrong.
I would provide you links to manually rooting your phone with the latest busybox and superuser and instructions including using a emulator and unrooting. Also, links for rsdlite plus sbf to get your phone back to stock if you brick it. Problem is my internet is out due to the snowstorm.
Droid 2 Bootstrapper is not a ROM. Its a app that helps you boot into recovery to install update.zip files, flash themes, flash ROMs, do cache dumps, and other dumps, backups and restore, and much more.
Superuser is not a ROM either. This gets inserted when you root your phone and helps you to allow permissions for apps like droid 2 bootstrapper to access your system in a way that wouldn't be allow to access if you were not rooted.
You should do more research on rooting, unrooting, su, busybox, superuser, then learn the means of doing nandroid backups, installing usb drivers, how to use rsdlite and sbf to return to stock and erase rooting, then get familiar over all of this stuff again so you know what you're doing then you can try out rooting and get used to what rooting can do for you. Then try out ROMs like Liberty and a bunch others. Then try out flashing themes on your ROM.
ROMs are located in this D2 section but in the ROM section.
Sent from the Droid 2 serial killer of iPhones
