The following step by step guide will help you jailbreak your iPhone 3G ONLY (for now) on iPhone OS 4.
Step 1: Download iPhone OS 4 for iPhone 3G if it is ios4 then start from step 3.
Here is the link
http://www.megaupload.com/?d=MBIWQ3LC
then you should download dotnetfx35 to overcome error 1600 1604 here is the link of dotnetfx35 if you donot install it it is the most chances that your iphone stuck
http://rapidshare.com/files/403147738/dotnetfx35.rar.html
Step 2: Update to this latest firmware file: iPhone1,2_4.0_8A230m_Restore.ipsw
STEP 3: This jailbreaking requires latest itunes setup itunes 9.2 for ios4
Download Link
http://rapidshare.com/files/404459380/iTunesSetup_V9.2_for_jb_ios4.rar.html
STEP 4: Download redsnow 0.9.2
Download links
http://rapidshare.com/files/404485628/redsn0w_win_0.9.5b5-5.rar.html
http://rapidshare.com/files/404484314/redsn0w_mac_0.9.5b5-5.rar.html
Step 5: Start redsn0w 0.9.5 and point it to the original iPhone OS 4 Beta firmware for iPhone 3G to proceed.
Step 6: Now select "Install Cydia" and click "Next".
Step 7: Now make sure your device is both OFF and PLUGGED IN to the computer before you click "Next".
Step 8: Connect your device in recovery mode by pressing the Power and buttons continuously.
t this stage you will be presented with a screen where you will have to quickly hold "Power" button and then while holding the "Power" button, you will now have to hold "Home" button too. Now after few seconds release "Power" button but keep holding "Home" button until installation begins.
Step 9: Sit back and enjoy while redsn0w will do all the rest for you. Once done, your iPhone 3G will restart automatically and you will find it jailbroken with iPhone firmware version 4.0.
You will now notice that Cydia has a blank white icon. You'll also notice that Cydia has no sources. Go to the Sources panel and add http://apt.saurik.com/cydia-3.7 repo. Now restart your phone and you should see the regular standard Cydia logo now.
How-to Enable Multitasking:
Download the umbrella for multitasking and saving your SHSH
http://rapidshare.com/files/404467317/umbrella-4.00.23_for_save_your_SHSH.rar...
Once done, you can now enable multitasking on iPhone 3G, OS 4 by simply editing a N82AP.plist file as mentioned here. Open the said .plist file and change the multitasking key to = TRUE. If the is not there, add it and you'll be done.
How-to Enable Wallpapers:
You can now enable support for Wallpapers on iPhone 3G and iPod touch 2G on OS 4 by following the step by step guide posted here.
For iPhone 3.1.3 firmware, you can follow our complete jailbreaking guide for iPhone 2G, 3G, 3GS and iPod touch 1G/2G using redsn0w 0.9.3, redsn0w 0.9.4, sn0wbreeze, PwnageTool 3.1.5. Unlocking can be done using ultrasn0w or blacksn0w.
For iPhone 3.1.2 firmware, you can use blackra1n, PwnageTool, redsn0w, sn0wbreeze, ultrasn0w and blacksn0w to jailbreak and unlock your iPhone and iPod touch.
Disclaimer: This guide is for testing & educational purposes only. I'm not responsible for any loss of important data or malfunctioning of your iPhone.
More Links for US And UK
Mediafire links
redsnow0.9.2 windows
http://www.mediafire.com/file/yydoo2ozjm0/redsn0w_win_0.9.5b5-5.rar
redsnow0.9.2 ios for mac
http://www.mediafire.com/file/i2umfnznuma/redsn0w_mac_0.9.5b5-5.rar
Megauploader links
redsnow0.9.2 for windows
http://www.megaupload.com/?d=3PJSGH9G
Redsnow0.9.2 for mac
http://www.megaupload.com/?d=TPZ60L4C
dude does this work for ios4?
thegreatboy100 1 year ago
@thegreatboy100 yes
superjailbreak10 1 year ago