Updating iphone 3g to 4
The i Phone Dev Team instead found a working exploit for baseband (a higher one) found on i Pad 3.2.2) and were able to unlock it.
So in order to use Ultrasn0w 1.2 to unlock your i Phone 3GS/3G you need to update to baseband !
After the 4.1 upgrade my phone started to reset sometimes when I’m on a call.
Here goes the step by step guide to update your i Phone 3GS or 3G baseband to using Pwnage Tool 4.1.3 (Mac OS X). Just Google it and you may find it on various content sharing sites. Are you absolutely sure you want to upgrade your baseband? Pwnage Tool 4.1.3 Unlock Edition will club the baseband from 3.2.2 IPSW with i OS 4.1 firmware to make a special unlock IPSW. Let Pwnage Tool 4.1.3 build the custom IPSW and place it on your desktop. DFU Mode: In order to restore your i Phone 3GS/3G to this custom built FW, go ahead and put it in DFU Mode. Press and hold HOME and POWER buttons together for 10 seconds. Next release the POWER button but KEEP HOLDING HOME button for another 10 seconds or so.Then “Show Package Contents” of Pwnage Tool.app, navigate to Contents-This Pwnage Tool also contains a 4.2.1 bundle for i Phone3G owners…for all else, it’s still only 4.1. Next browse and select the 4.1 IPSW firmware you earlier downloaded in Step 2. When you see the warning message, please read and understand it carefully.If you have an i Phone3GS with an old bootrom, use redsn0w for an untethered 4.2.1 jailbreak (it can now install the i Pad baseband too). You have the option to upgrade your i Phone baseband to an i Pad baseband that can be carrier unlocked. But they have to use redsn0w after restoring to jailbreak this jailbroken Firmware. PLS SUBSCRIBE, RATE AND COMMENT MY YOUTUBE CHANNEL! Users that have already updated can use this CFW to restore there devices. If Cydia does not work fine follow these steps: – Open SSH Connection via Cyberduck – Insert cydia_1.0.3366-1_in /tmp – Now open your terminal of the SSH Client and paste dpkg -i /tmp/cydia_1.0.3366-1_iphoneos-arm.deb– After this paste killall -HUP Spring Board to restart your springboard!
Search for updating iphone 3g to 4:
Due to continual checking of push certificates by i OS 4.1, i OS 4.2.1 your battery will drain pretty fast after you update to baseband 6.15.00 and unlock it with Ultrasn0w 1.2.