Hey there Kailey283, how are you?
Welcome. I'm sure u will find this site amazing, with lots of important information and interesting thing 2 know about.
Apart from that, there also R lots of intereting users who provide answers and 'helpfull help'
Take your time 2 read a lot b4 doing anything at all, read the forum's rules and enjoy.
As ConsoleX mentioned, u have 1 model that can b jailbroken: CECH01 ( originally had 3.15 FW-firmware).
There's another 1 with a CECH3001, wich originally had 3.56 or 3.70 FW, but 4 this 1 I'm not sure 1 can install anything custom'ish' firmware on that 1, but you can read about it: try CFW 4.21.
From the CECH01 you can always go back 2 lower firmwares ( but not below 3.15 - OFW), but if u R actually on something higher than 3.55 OFW u will need 2 spend some money on a E3 flash card, or ask someone u know 2 lend u 1 4 a short period of time. I'm pretty sure there's no way of downgrading OFW without that device ( or other similar devices).
If your firmware is not higher than 3.55 then u should check this thread right here, on ps3iso:
Have fun, read, ask some1 if it's not clear enough 4 U.
Where are you from, just out of curiosity? Country girl like US country girl?
In that case please do share some of your music, alright? ( I'll have 2 thank Melo 4 that thought!)