This step by step guide shows you an easy way to jailbreak then unlock a GSM iPhone 4 using a PC and Gevey Ultra.
a. Download Redsn0w 0.9 6rc18 and save it on your desktop.
b. Download iPhone 4 4.3.3 firmware, look for the iPhone / iPod touch / iPad / Apple TV dropdown menu on the page, select iPhone 4 (GSM) 4.3.3/8J2 and the hit download button to save it on your desktop.
Make sure you are running the latest version of iTunes on your PC. You can check by clicking on the Help menu at the upper right corner in iTunes, select Check for Updates, iTunes will tell you if there’s an update, if so, follow the on screen prompts to update iTunes. If not, Skip to Step 3.
Start iTunes, connect your iPhone to a PC. Close the iPhone software update message if iTunes prompts you. Look in the navigation pane, click on the name of your iPhone 4 listed under DEVICES, read the line that says Software Version. If you want, now it’s a good time to back up your stuff, if not, proceed to one of the senarios listed below that applies to you.
Software is 4.3.3 and you wish to keep all the apps and personal data in the iPhone. Simply Close iTunes and skip to Step 4. If you don’t care for the apps or personal data, follow the steps listed in Scenario B.
Software is lower than 4.3.3. Update to software 4.3.3. If no backup of the stuff in the iPhone is necessary, hold down the shift key and click on the Restore button. Browse to the desktop and select the iPhone 4.3.3 software you downloaded in Step 1 then hit Open. Click the restore button to continue, iTunes will then erase and restore (update) your iPhone to 4.3.3. Select setup iPhone as a new phone upon completion then proceed to Step 4. If you care for the personal data in the iPhone, perform a backup. Right click on the name of the iPhone listed under DEVICES, select Backup iPhone from the option menu, wait for the backup to complete, then proceed to update the iPhone following the steps listed above. Upon completion, simply select “restore from previous backup” to bring all your stuff back then proceed to Step 4.
The phone is locked and the software is unknown. Turn off iPhone, unplug it from the computer, hold down the home key, plug it back to the computer. iTunes will tell you the phone is in recovery mode and that it has to be restore. Close the message. Hold down the shift key and click on the Restore button. Browse to the desktop and select the iPhone 4.3.3 software you downloaded in Step 1 then hit Open. Click the restore button to continue, iTunes will then erase and restore (update) your iPhone to 4.3.3. Select setup iPhone as a new phone upon completion then proceed to Step 4.
Fire up redsn0w by clicking on redsn0w.exe in the redsn0w folder that you have downloaded in Step 1. Click on the Browse button and browse to the iPhone 4.3.3. software on your desktop and hit the Open button. Wait approximately 1min for redsn0w to process the software then click NEXT. Leave only Install Cydia checked and click NEXT. Turn off iPhone (hold down the power button, then slide the top bar) but leave it plugged in the computer. Hold the iPhone on your left hand, click NEXT with your right. Be ready to commence the steps you see on screen. If you missed the steps the first time, don’t worry, just try again. Hit Finish when redsn0w says Done! Wait for the iPhone to start up upon completion. Congratulations, the iPhone has been jailbroken. To confirm, you should see the Cydia app, if not, simply repeat Step 4.
Use Gevey Ultra to Perform Carrier Unlock
Start Cydia, be sure you have a wifi connection available and connect to it.
Follow the steps at http://applenberry.com/store/furiousmod.