You shouldn't have to do any info verifications. Once plugged in, just hit "restore". Now with the new firmware installed (3.0.1), follow these instructions to ensure that your phone is jailbroken and unlocked:
Instruction on jailbreak and unlock 3.0.1
First, plug your phone in and let itunes upgrade your phone to 3.0.1. Then visit
Dev-Team Blog to download redsn0w (jailbreak program). Also, download (from this site the 3.0 firmware. Make sure you download the proper one. There is one for the 2G, 3G and now 3GS) Then fire up redsn0w. Follow the instructions and you will have a jailbroken iphone.
Jailbreak steps:
1- Plug iphone in
2- Let itunes upgrade it to 3.0.1
3- Download the 3.0 firmware (from modmyi.com)
4- Download the redsn0w app (from this site of
Dev-Team Blog)
5- Run redsn0w
6- When prompted, pick the 3.0 file (not the 3.0.1, they are the same except for the sms fix which is now on your phone)
7- Close your phone
8- Put your phone in DFU and let redsn0w jailbreak your phone.
9- Let it reboot and voilą.
Unlock steps:
1- Open up Cydia
2- Do the essential updates
3- If asked, pick "user" in the choice of users
4- Once the updates are done, it will close
5- Reopen Cydia
6- Naviguate to "manage"
7- Pick "sources"
8- Click "edit" then "add"
9- Add the following repo :
ultrasn0w.com (where the sn0w is a zero not an "o")
10- Click "done"
11- Then click "refresh"
12- Naviguate to "changes" or click on the "search" tool
13- Locate Ultrasn0w and install it.
14- Reboot your phone.
Voilą