Updating unlocked iphone 3g
Simply scroll through our how to unlock section for the i OS firmware you are trying to unlock, and follow one of our easy to follow how to guides using Ultra Sn0w, Ultra Sn0w Fixer and other unlocking solutions.
Note #1: Your i Phone needs to be in order to unlock it by using Ultra Sn0w or Ultra Sn0w Fixer.
You have two options at this point ; one is to update it to 4.2.1 using a custom firmware which matches your baseband or you can downgrade it to a lower 3.1.3 version.The hacker tested the exploit on his i Phone 4 with the final i OS version and posted a happy tweet to share the news with the world.This means that you can now feel free update your Apple devices supporting the A4 System-on-Chip design to the latest firmware. And it never come back again but just the yellow warning triangle. Okay now, close the i Tunes, but keep the i Phone connected! Of course, Apple expects you to use AT&T service and activates the i Phone. This will take a while and your i Phone will go through several reboots, and the yellow triangle comes up again. iii) Next, go back to the temp folder of the unlock pack. Wait until the process complete, switch off the i Phone and turn it ON again. You should see the Spring Board again and make/receive calls.
What I have done was just reset my i Phone (press sleep & home button and for 10s) after Summer Board hanged. Once done, i Phone will be rebooted with no more yellow triangle. Reactivate your i Phone and install App Tapp Installer By installing the firmware 1.02, your i Phone is now like any other brand-new i Phone that you should go through the activation process. i ) First, open the temp folder with the Complete Unlock Pack and run ““. When done, you’ll see the i Phone activation screen. The rest of process is automatic, just don’t touch/disconnect your i Phone.Unlocking the i Phone is a process where the i Phone is modified to accept the SIM card of any carrier.