How to get the yellow triangle for 4GB and 8GB
This process is needed so you can reboot to any firmware you need
4GB: 1.turn off by holding down the POWER (top right button) and slide the red slider across
2.turn back on by holding the POWER on your iphone
3. (As soon as you see the Apple logo) Press and hold the HOME and POWER for 20 seconds or until you see the yellow triangle
8GB ( this works for 4GB as well)
1.turn off by holding down the POWER (top right button and slide the red slider across
2.hold the iphone (as if it were flat on a table) and keep your thumb on the HOME button and carefully slide it into your USB dock(thing you connect your iphone to your computer with).
3. keep holding it down even when it is inside the dock and the yellow triangle will appear.
1.0.2 is available here: http://appldnld.apple.com.edgesuite....8_Restore.ipsw
I hope you guys find this useful. enjoy !:D